See also: SEARCH & RESEARCH -- Gateways  &  HARDWARE, SOFTWARE & TECHNICALITIES -- Internet -- Intelligent Agents, including:

• Copernic Agent
  
• Arrow Search
• SearchRocket
• WebFerret 

Javascript metasearch searches 8000+ javascripts from over a dozen javascript sites                   15 August 2003

Kebberfegg - Keyword Based RSS Feed Generator                                                                  6 October 2005
generate keyword-based RSS feeds from multiple sources with single search; enter query, specify categories of feed, get list of feeds based on query in HTML(with links to RSS feeds & My Yahoo subscription link) or OPML file you import into another RSS feed reader; select categories of feed you want to generate (news, blogs, press releases, etc.) & plug RSS results into your aggregator;

Kngine: Knowledge + Engine = Semantic search engine                                                               4 July 2009
500m+ data, for 4000+ domains: 60000 Companies, 700000+ Movie, 750000+ Person, 400000+ Location, 115000+ Book, 5m concepts; philipbradley review, 25 Jan 2010: Overall, I can't say that this offers anything any other engine doesn't;

Knowledge engines                                                                                                                     4 July 2009
Kngine; Wolfram Alpha; Google Squared; Cyc; TrueKnowledge; Knowledge discovery resources: Awareness Watch Newsletter V8N2 February 2010, V9N6 May 2011;

Koders                                                                                                                                     11 November 2004
search engine for programming code, open source software; specify keywords, 16 (ASP - VB.NET) & 16 licenses (AFL - ZPL); information on project, copyright information, & all code; External links point to home of project/code;

Kosmix clustering search engine                                                                                                 5 May 2008
crawls web & categorizes pages into algorithm generated topic pages; aim for every topic to have a home page/doorway but at present limits its activity to three sub portals: Righthealth, Righttrips, Rightautos;

Krugle source code search engine for software developers                                                          13 February 2006
Aragon acquires code search engine Krugle;

Language Course Finder                                                                                                            25 September 2006
10000+ language schools teaching 88 languages in 115 countries; Search in many languages; language tests & certificates, online learning resources, & travel material. From company that has produced language learning guidebook since 1985;

Language Search Tools                                                                                                              2 April 2008
Language Limits - Limit search results to pages within a specified language; Online Translation - Machine translation of Web pages & text between two language. See which language pairs are available; Translated Search - Machine translation of a search query; Search in 23 languages with Setooz;

Latin Language Search                                                                                                          15 March 2005
Latin Library Search Engin - Latin classics scanned & formatted from Public Domain; no translations; classics links; try Perseus Primary Text Index: Latin Texts

LGSearch federated search of UK public sector web sites                                                         16 March 2010  
Google Custom Search Engine (CSE) set up by Dave Briggs; narrow your search further to Local Government, Central Government, Health, Police & Fire, LG Related or Social Media;

Limiting Your Search By IP Address with MSN Search & Gigablast                                           22 January 2006

Linguist's Search Engine                                                                                                              27 February 2005
syntactic searches on Internet data; 3m sentence corpus from Internet Archive & facilities to build & search corpora based around search results from AltaVista; login: guest password: guest if you do not wish to register; getting started; 

Link & Link domain searches                                                                                                  21 November 2011
Yahoo Site Explorer closes – try Blekko instead link & linkdomain commands will go although not specifically mentioned; Google’s link command gets very few results leaving Blekko as the only realistic alternative; track down linked pages using their slashtags ‘/links’ and ‘/domainlinks’ with a URL or domain name, eg http://www.rba.co.uk/sources/registers.htm /links will find pages that link to RBA company registers page whereas http://www.rba.co.uk/ /domainlinks finds all inbound links to rba.co.uk;

Linked Data  See Linked Open Data project(W3C)                                                                   20 February 2010
See True Knowledge AI question-answering platform; 

Link NZ  41m+ New Zealand Web pages                                                                                  5 November 2005

Link sharing See AVOS(formerly Delicious) See also  Bookmark-based search                                                                        

Liolia Search Portal/Directory practical categories for layperson                                                  4 March 2005

List of search engines(Wikipedia) by content/topic, information type, model                                   3 August 2010

Listserv discussions See Forum Search(Newsgroups, mailing & discussion lists, Listserv, Usenet)   25 October 2008

Localised search Yahoo Search Local; Google Local Search; Glearch                                      25 July  2009
Google Places Hotpot recommendation engine; log in to G account to make recommendations; need a G Profile to invite friends, see what places they’re recommending, & compete to see who’s ranking the most places;

LookSmart                                                                                                                                27 April 2006
powered by WiseNut -180+ vertical search sites, bookmarking & sharing tool(Furl), article search engine(FindArticles.com)

Magazine search engines                                                                                                                  11 November 2009
Maggwire carries 600 top magazines; browse by category; Utilizes social intelligence to recommend magazine articles;

Mailing lists See Forum Search(Newsgroups, mailing & discussion lists, Listserv, Usenet)        25 October 2008

Manuals: pdf ebook datasheet manual search engine                                                                25 July 2009

Mapping search See Visual search (below)

Mapshark search engine for map related mashups                                                                      20 January 2007

Mashups(web application hybrids)                                                                                             1 August 2006
technologies/services conflated in new service e.g. Retrivr conflates Flickr's image database & an experimental information architecture algorithm for users to search images by data not metadata; by sketching images; WikiBios users create online biographies blending blogs with social networks; Mapshark search engine; Factual making data accountable: platform for sharing & mashing open data on any subject, an open data repository with collaborative tools, data accountability sorcing & improvement;

Meaning based search technologies See also Natural language searches, Suggengines    10 June 2007
Hakia uses QDEXing natural language processing methods to deliver 'meaningful' search results from the general web, news sites, blogs, Hakia Galleries, 'credible sources' (typically Wikipedia), video & images; review(Pandia); CEO view, Sept07; Applied Semantics' Oingo provided effective natural language searches in limited domains but was quickly commercialised & acquired by Google in April 2004 to drive their ad products(Google Buys Applied Semantics); Is Google a semantic search engine?; Semantic Search: an antidote for poor relevancy; CognitionSearch patented linguistic search architecture employs a mix of linguistics & mathematical algorithms; Lexxe; Zoominfo semantic search engine for people & companies pivot searches(search on keywords & click on button for cross referenced info); Linguist's Search Engine; FactSpotter(Xerox) initially used to help lawyers & corporate litigation departments check legal documents & in health care, manufacturing & financial services; Dialogus growing Russian semantic search for direct answers to users’ questions based on university, encyclopedic, & educational resources in Russian, & some foreign languages; next generation Internet semantic technologies in European country initiatives: Quaero (France); THESEUS(Germany); iAD(Norway); MultimediaN(Holland); IM2 (Switzerland); Mundo AV(Spain); Zitgist industry standards compliant Semantic Web Query Service; MEDIE intelligent search engine retrieves biomedical correlations from MEDLINE; find abstracts/ sentences in MEDLINE by specifying semantics of correlations; e.g. What activates p53 & What causes colon cancer; Semantic Technology In Action: An Interview with Dr. Paul Miller; Twine(Radar Networks); Cluuz.com: Military Intelligence-Like Functions for Web Metasearch; Proper Testing of a Semantic Search Engine: Part-1 The Query Set; Part-2 Evaluations; Semantic Search: The Myth & Reality; Evri(Beta) distinguishes between grammatical objects such as subjects, verbs, & objects; Cuil searches for & ranks pages based on content & relevance, analyzes content, concepts, their inter-relationships & page coherency; displays 11 results & Explore by Category related searches to mouse over; (30 Sept '08)On the Cusp: A Global Review of the Semantic Web Industry; AllPlus Universal Meta Search & Discovery Engine; SINDICE Semantic Web index technologies for contacts , events, social networks, web polls & votes, reviews etc; 10b pieces of reusable information across 100m web pages which embed RDF & Microformats; Noesis: A semantic search engine & resource aggregator for Atmospheric Science uses domain ontologies to provide scoped search capabilities, Ontology Inference Service(OIS) SOAP-based web service interface to an inference engine is built on Apache Axis SOAP engine; W3C Linked Open Data project; ReadWriteWeb Interview with Tim Berners-Lee, Part 1: Linked Data; Part 2: Search Engines, User Interfaces for Data, Wolfram Alpha etc; Yebol combines Google like search(spider the web, add an algorithm to determine what’s best) with human touch (group high quality web sites into categories relevant to query), related topics, top sites, news, categories, expanded searches(similar to related searches); Quintura’s Search Cloud vs. Google’s Wonder Wheel; DuckDuckGo gives previews from current version of page turned into paragraphs of text with most relevant paragraphs highlighted; Wikipedia & Semantic Web, Part 1, Part 2; Quertle includes all of Pubmed; searches for conceptual relationships; Use Power Terms to search for categories of objects; "$Protein” to search for any protein rather than occurrences of term; optimized to search fulltext documents including Material & Methods section (but not Bibliography); use proper capitalization in your query because Q recognizes capital TWIST as transcription factor (not verb), & capital NO as nitrous oxide(not a negative); filtering & breadcrumb tracking; Automatic identification of key concepts;Single-click access to PDF of fulltext documents; search by author or journal; See Zitgist sandbox; Freebase(Metaweb Technologies) open semantic database of everything, accessible via free text search, & via MQL(Metaweb Query Language - essentially JSON with wildcards). Using it you can construct any query against Freebase & the result will be the same query with answers filled in (FAQ); See also Structured Data (below); Bing, Google, & the enigmatic T2: the race for a complete semantic search engine; Semantic search explained; 9 types of semantic search; DBpedia, one of the largest sources of Linked Data on the Web, extracts structured information from Wikipedia & makes it available: 2.9m+ things  including at least 282000 persons, 339000 places, 88000 music albums, 44000 films, 1,000 video games, 119000 organizations, 130000 species & 4400 diseases; Search based upon concepts: Applied Semantics & Google; Brown bag lunch: methods for semantic discovery, annotation & mediation; Top 7 semantic search engine alternatives to G; SPARQL query language for RDF (Interrogating the semantic Web); Semantic search(HLWiki); Probe the Semantic Web with SPARQL; Semantic Web research resources(Zillmann, Awareness watch V.9No.1, Jan 2011), (April 2011); 10 things that make semantic search; SENSEnews.com service for financial markets based on hakia semantic search technology (review): Articles published in premium or subscription services, 30000+ free news sources, 1m+ blogs, Twitter; aggregates Reported events(revenues, store closings, product launches), Fundamentals(earnings, stock prices), Interpretations(analysts interpret financial state of company), Speculations(how market views future of company), Sentiments(how people feel about company, complaints, appraisals, Promotions/demotions, Global factors affecting company(economy, disasters); 27 Oct 2011: Connecting the dots: a Semantic Web primer(FUMSI);

Media Wombat Flash Search Engine                                                                                            5 July 2008

Melody recognition See also Audio Search;                                                                              6 March 2007
Nayio - hum bars of melody to find words; cross-references hummed melody with Napster's library of 3m+ songs; match includes NapsterLink; listen free/ or purchase download; See also Audio search; You Hum It, These Search Engines Claim They'll Find It: Midomi & Humming Search from Nayio;

Memory Hole                                                                                                                            26 April 2004
preserves & spreads material in danger of being lost, hard to find, not widely known: Government files, Corporate memos, Court documents(incl. lawsuits & transcripts), Police reports & eyewitness statements, Congressional testimony, Reports(government & non-g),maps, patents, photographs, video, sound recordings, News articles, Books(& portions); updated several times/week; email notification of updates

MESA - Meta-Email-Search-Agent                                                                                           1 August 2001
given name(last name required, first name optional) searches in parallel Yahoo, Bigfoot, IAF, Populus, Suchen.de, & WhoWhere; 

METALIS (AePIC) search engine for OAI-compliant repositories in library & information science  6 May 2005

mnemomap social networking, search engines & other data sources;                                             21 July 2006
alternative or additional search parameters such as tags, translations; search mnemomap database, Yahoo!, Flickr & YouTube; free;

Microblog search See also Twingly                                                                                              7 April 2009

Microformats                                                                                                                               24 July 2008
VIREL website-friendly crawler for microformats collecting published open microformats such as contact information(hCard) & calendaric information(hCalendar) embedded in websites; Make yourself more VISIBLE with VIREL;

Microsoft Academic Search adds new visualization tools                                                               25 December 2011

Mobile Search 85 Piece Mobile Search Tool Kit!                                                                       6 April 2007
ChaCha beats Google & Yahoo in mobile voice search tests; Top 5 mobile search engines; 6 Jan 2011: new services forthcoming to include voice & image recognition, ExpertMaker paramatized search with patent pending AI for expert advice;

Molecular Information Agent(San Diego Supercomputer Center)                                                  27 July 2002
current information for molecule of interest from online biological databases; removes invalid links; registration; save query or email results 

Moonmist Metasearch                                                                                                                 2 November 2001
specialty of searching UK & European sources, such as Mirago, Splut, UKIndex; worldwide meta search

MooterSearch                                                                                                                             23 October 2003
looks at results from other search engines, groups them using artificial intelligence algorithms

Multiple Domains search                                                                                                         23 June 2007
Mojeek create a personal or topical search engine; no other engine's results, no paid for inclusion or placement; site searches & multiple domain searches using customized ranking parameters; add & remove an unlimited number of domains(Free Version to 1000); Personal Search home page(hidden or public), search results in xml format; add personal search to Firefox search bar;

Multi-Search Gateways                                                                                                            15 February 2007
CrossEngine search tools grouped under tabs by type, e.g. standard, video, images, news, blogs; See also Trovando; All-in-One List of Search Engines; Sputtr; Fagan Finder; Lots of search engines!(Phil Bradley); Intelways.com (formerly CrossEngine & mrSAPO) one- click access to 300 search tools organised by broad channels; default includes several Google search indexes(web, images, news, maps), major search engines, Wikipedia,  multimedia search engines, social bookmarking sites, Amazon & eBay; country- specific filter for 11 applied only when search tool has a country- or language- specific site; Intelways plug-in for search box in Internet Explorer or Firefox; Zuula type your search once & run through search engines grouped into Web, Images, Video, News, Blog & Jobs; doesn't search by file formats as Intelways does but Advanced Search includes a domain search; customized “drag-n-drop” tabs for the different search engines & increase number of results displayed per page from 10 to up to 60; Sputtr;

MyHeritage genealogy search engine with face recognition demo;                                                 28 February 2006
family tree builder coming soon; Megadex™ covers major genealogy databases on Web(even those that don't support 'sounds like' features) to return typical Soundex false positives, & not miss as many good matches for top spelling variations of name you are researching

MyLiveSearch(Multi Lingual Release 1.1; beta)                                                                        30 September 2007
supports Chinese, Japanese, Arabic, Thai, Cyrillic, Hebrew, Greek, Russian, Spanish, French, Hindu, Macedonian, Italian; view WebPages with results in same window; Improved displaying of results & results ranking; Multi Lingual Version for FireFox,Opera,Safari soon;

my.OAI from Francis Schiettecatte                                                                                           27 March 2002
any combination of  7 major OAI-compliant archives; limit search to given metadata fields, dates, archives. Registered users set preferences, store documents in customized folders, store search for reuse; will offer automatic text summaries & links to similar documents; 

Natural language searches                                                                                                   18 May 2003
Ask Jeeves, Ionaut, Hexbot, Wondir, HomerWeb, Gimpsy, Fossick Power Search, Kozoru(in development August 2004) or Ixquick; Kartoo visual search queries typed in search box as if question mark<?> placed at end; AnswerBus project of Zhiping Zheng(paper on it) open-domain question answering system based on sentence level information retrieval; in English, German, French, Spanish, Italian & Portuguese; Google, Yahoo, WiseNut, AltaVista, & Yahoo News used; current rate of correct answers to TREC-8's 200 questions is 70.5%; START server answers questions in English about MIT AI Laboratory, geography; natural language system by Boris Katz & associates in Infolab Group on WWW since Dec.1993; BrainBoost click Snap Open link to display text on page; Exalead recognises natural language & uses statistical linguistics; GuideBeam Smart shallow natural language processing; Athena(beta version for health & drugs information); What Is Natural-Language Searching?; National Library of Medicine offers Ask COSMO answering FAQs in natural language style with NativeMinds software; see also Natural Language Processing in Information Retrieval Research; H-Bot answers historical questions; Answer Search for 2005 release by Stochasto; Advanced Search Techniques using Natural Language Processing; some natural language searches for Yahoo Images; Linguist's Search Engine; Search Sites Try to Give Instant Answers(PC World, 4/10/05); Lexxe Australian combination of generic search engine & answer engine; Natural Language(currently only questions in English), key word searches; Natural language search in reformed IPC - TACSY version 1.1.0.33; Lexxe^TMalpha; Hello Natural Language Search, my old over-hyped search friend; Powerset; Hakia; Genre-Enabled Search Engines: The Impact of NLP(Natural Language Processing); Powerset(in development & currently working on the Wikipedia dataset); winner of 2008 AltSearchEngines search race is targeted discovery search engine iSEEK; See also Meaning based search technologies; Meaningo Natural Language Processing(NLP) search application currently dedicated to online shopping integrated with a decision-making support system to refine & control affinity quality of the search; ChartSearch: natural language querying for structured data; 15 Sept 2011: NLP best for electronic medical records(EMR) data; 

NavDog                                                                                                                                  15 January 2009
full scale map search site constructed on principals of an industrial grade GIS system incorporating advanced logic processing; new version incorporates a Geographic Business Intelligence Engine; find destination, hotel bookings, dining options, shopping, sightseeing;

NewsEdge.com gathers, analyzes, & communicates news efficiently & effectively                            11 August 2011
business news & information; timely alerts & professional-quality newsletters with speed & confidence, combining premium sources, comprehensive categorisation & powerful search; Free trial;

News Searching See also Yauba                                                                                                 26 February 2007

Newssift Financial Times business knowledge navigator                                                           4 April 2009
access to global business news sources, including news wires, television & radio, & expert commentary; save specialized searches; interactive list of Topics in the news organized thematically into subsections that cover organizations, persons, & business topics; entity extraction, sentiment analysis & semantic expansion; 

NextBio life science search engine for researchers & clinicians(beta)                                         18 May 2008
free-to-access life sciences search engine searches 1.2b data points, 16m articles; includes pre-processed data from public resources such as NCBI GEO(Gene Expression Omnibus), ArrayExpress, SMD(Stanford Microarray Database); currently supports any type of gene-centric data(gene expression, proteomics, siRNA screens) for human, mouse, rat, fly, worm & yeast; working on adding support for monkey, plants & other organisms & integrating sequence-centric, phenotypic & other data types; free acess to public data; free registration to import & correlate unlimited private data if made public; save study results as bookmarks, forward to colleagues, create user profile; subscription-based premium version private & secure with APIs for unlimited private data import, customized categorization of search results & reporting, dashboard for user control & settings, & technical support;

NLsearch.com: Northern Light Business Search  now free                                                         April 2008
text analytics & meaning extraction from Northern Light’s MI Analyst application, formerly only available to enterprise clients & collaborative social computing features, such as Market Intelligence Wikis; business & industry news from sources including business publications & selected industry authority blogs; analytical tools determine extract information on companies, markets & technologies, suggests business address, assessed & tone of documents; monthly fee for selected business Web sites, articles from 1400 trade journals, news from 70+ worldwide news wire services; Search Alerts

Noesis Philosophical Search Online                                                                                           13 January 2009
academic scholarship in philosophy freely available online; indexing regions, directories & subdirectories, rather than their contents; scholarly articles, lecture notes, course schedules, conference announcements, & miscellaneous professional information; Author archives are directories set aside by authors for collecting & disseminating their work; Scholarship includes author directories, online journals, reference works, & article archives coming from professional associations & philosophy departments. As Noesis develops, filtering content to these regions effectively reduces search return sets to target, academic scholarship in philosophy; filter searches to  search the collective webspace of all indexed philosophy departments, or search faculty webspace in a single pass; filtered to content coming from professional organizations, online journals or reference works; Noesis: A semantic search engine & resource aggregator for Atmospheric Science uses domain ontologies to provide scoped search capabilities, Ontology Inference Service(OIS) SOAP-based web service interface to an inference engine is built on Apache Axis SOAP engine;

Novoseek information extraction system  (review)                                                                         13 June 2009
biomedical literature in Medline, US Grants & fulltext publications; Narrow your search to results in relevant scientific journals; Identify most relevant biomedical concepts to your query;

NumisLinks                                                                                                                               1 January 2006
subject listing of coin collecting sites; ancient coins, banknotes, software, grading; Listings include title, URL, description, regular voter rating, number of visits, etc; register free to skip ads & get personal links list & private messaging system;

OAI harvester for Open Access(OA) repositories worldwide(Scientific Commons)                   4 November 2006

Offline Search Tools: Best CD-ROM & DVD Indexers                                                            23 December 2004

OJOSE: Online JOurnal Search Engine                                                                                     4 September 2004
free scientific search in different databases using only 1 search field; download or buy journals, articles, research reports, books, etc in 40 databases; 

Omgili search engine for web-based discussion forums                                                               14 January 2006
discussion groups; keyword search with special syntax, advanced search form; Enter query & doubleclick word in query, mouseover 'i' popup over query box to limit query word search to title, topic, reply, or exclude; Omgili crawlers recognize board software such as phpBB, VBulletin, YaBB, SMF, Invision, Snitz & FuseTalk; FAQ; Google@Omgili integrates Omgili into Google adding search for Discussions, Q&A or Reviews & easier access to Google services such as Blogs, News, Videos search & Newsgroups; sort results by Date or Relevancy; See also BoardTracker

OmniMedicalSearch.com - MetaSearch Medical Search Engines                                                29 July 2004
searches major health databases; 2 levels(professional & layman); news search, image search; pointers to 72 databases, medical journals & associations

Online Research Browsers - An Internet MiniGuide Annotated Link Compilation                         27 October 2004

OPML(Outline Processor Markup Language) Search   lists RSS feeds                                        5 November 2005
XML format for outlines commonly used as file format for lists of RSS feeds; find content in OPML files mainly; searches RSS, podcasts; keyword search discovery & tracking tool - Results in RSS & OPML format; broad keywords, no special syntax;

Pandia Powersearch all-in-one list of search engines & directories                                                 15 February 2010
other options to Search for files, images, music & video; Search for online reference, dictionaries,books & more; Links to essential business & finance resources; Tools for specialized searching; Social search; Social news; Microblog search;

Pandia's Search in Search                                                                                                            15 February 2007
searching best sites, blogs & forums on search engines, web searching & search engine marketing; custom made with Google Co-op

PDA- Search                                                                                                                              25 May 2003
information related to PDAs specify all words or any words & number of results/page; limit results to domain for that result.

Peer to Peer, File Sharing, Grid & Matrix Search Engines;  April 2011 update                                27 May 2005

People information: finding accurate, authoritative & well organised data                                        19 February 2009
tips to help you find accurate, organised & authoritative information on people through Factiva, Dialog & LexisNexis;  iSeek general purpose search engine organises search results for people by topic, people, places & organisations;

People Searching via Social Networks                                                                                        11 May 2007
find people too young for a public records trail; Wink metasearch engine queries social networks; ZoomInfo metasearch engine /social network distinguishes itself from popular networks, such as MySpace & Facebook by focusing on business people; Spock; Twellow.com, Twitter Yellow Pages 2.8m+listings; Pipl people search of Deep Web by name username & email address;  123people real-time search: type in name for a real-time mash-up of where name is mentioned on websites including YouTube, Twitter & IM accounts, pictures & videos tagged with that name, listings on phone sites such as 192.com that show how long the person has been at their current address, their age bracket & who they live with, Amazon wish lists!;

Perfect Search software                                                                                                              27 October 2009 
uses semantic technology & allows clients to index & search massive data sets with near real-time incremental indexing at high speeds without latency; Solving Search Problems with Perfect Search white paper reviewed;

Personalized Collaborative Shareable Search See also Social Networking(below)                         25  August 2005

Personalized search engines See also Desktop search tools
Study asks, can you trust Google’s Personalized Search Results?(Chris Sherman, Search Engine Land, Feb 14, 2011): personalization is “both taking place to a surprising extent but with relatively trivial results, most likely reflecting that we are in the early stages of the process.” They also note that doing this type of research is difficult due to the dynamism with Google as it constantly changes its algorithms, together with the very nature of personalization itself making it difficult to establish any meaningful universal baselines;

Péter's PolySearch Engines                                                                                                           4 September 2003
simple queries across open access ready reference databases or publishers’ abstract archives; biography, dictionaries, encyclopedias, abstracts, e-journals; 

PINAKES, A Subject Launchpad                                                                                           13 November 2002

Podscope(tveyes)                                                                                                                    14 April 2005
indexes television & radio broadcasts; queries words in Podcasts; Podscope search engine, crawls web for podcasts & indexes every word; See also Loomia  podcast & videocast search engine - add  your own tags

Podzinger (rebranded as EveryZing, June 2007)                                                                        1 December 2005
Free; search podcast audio using speech recognition software from BBN Technologies; transcribes podcast text; highlights segment of audio where keyword found; users listen from that point, rewind, pause, fast-forward; search every word of audio segments of video podcasts; Podscope search engine tveyes indexes words spoken in video; CastingWords podcasting human transcription service for 42 cents /minute, upload transcription for 75 cents/min.

PolySearch Energy free search & retrieve for abstracts(some fulltext) for scholarly articles about energy science & technology

PowerPoint presentations  See SlideFinder (below)

PreFound;                                                                                                                                  30 March 2006
free online search support service allows you to see what other people have manually selected from web & shared with PreFound.com community; tools to gather & tag information; Register to share links you have found with others

Press Release(PR) Search Engine                                                                                              11 August 2008
Search industry news on PR sites: news & press releases from companies & media outlets worldwide; industry-specific news stories & headlines on newly launched products, company mergers, acquisitions, events;

Pretrieve public record search engine                                                                                         29April 2005
federated/meta search of web-accessible & free public record databases on Invisible or Deep Web; court records from various jurisdictions; Firefox plugin

Price Comparison sites                                                                                                          24 December 2007
Dmoz Price Comparisons; Yahoo! shopping; Shopbot(Australia); AusPrices.com: Australia's Price Comparison & Search Engine; ShoppingBots & Comparison Bots(US); Compare book prices;

Product & merchant evaluations                                                                                          24 December 2007
Consumer Reports; Consumer Review; Consumer Research; Choice(Australian Consumers Association); Swotti semantic search engine aggregates good & bad experiences of others, reviews & feedback from the web & categorizes them; Consumer Search consumer product reviews, analyses of reviews, top-rated products listings; electronics, sports, office, kitchen, health, automotive, garden; browsing or keyword searching; FAQs; direct link to comparison pricing databases; See also Recommendation engines; Psizey searches for products not by brand name, price, features or ratings, but by its physical size

Programming code search engines                                                                                       13 February 2006
Codase for source codes; Krugle for programmers code; Koders for programming code, open source software; Code Snippets public source code repository categorized with tags/keywords; AlltheCode(alpha Feb 07) unlike similar source code search engines, considers relation between code to judge relevance; Java code search only now, beta in late 07/early 08; blog; CodeZoo high-quality, freely available, reusable components for compiler; Programming Language Research Engine; findJAR finds JAR files containing required Java classes from name of the class or JAR(Java Archive) file you are looking for; resolve NoClassDefFoundError & ClassNotFoundException problems; See also Stack Overflow free programming Q & A site; search[co.de] Google Instant inspired search, DuckDuckGo !Bang Syntax;

Proximity                                                                                                                                8 April 2004
No search engine can match Alta Vista Advanced Search NEAR or WITHIN operators; no longer available at AV(June 2004) see ZapMeta & Kartoo - NEAR searches close words on page; to search equivalent of implants WITHIN 3 malpractice on Google, you search “implants * * * malpractice”, “implants * * malpractice”, & “implants * malpractice”, then submit 3 searches again with terms reversed; This Google tool can make it easier; Magellan Metasearch beta-2 YNAPS - Yahoo Non-API Proximity Search; Exalead default searches(NEAR)-within 16 words (25 April 2006 enhancement - specify maximum number of words separating terms, NEAR/n);

PubSub                                                                                                                                    20 November 2004
Internet-scale matching engine is a prospective search tool that complements traditional retrospective search engines; matches user requests against documents as they're published, against user subscriptions; alerts user via RSS or IM based PubSub Sidebar (Firefox & IE plugin); monitoring 6.5m+ blogs daily, 50000 USENET newsgroups, SEC/EDGAR filings, press releases from major wire services & FAA airport delay alerts; free Sidebar utility; see also RollYO

Search Engines 2                                                                                                                      10 October 2004
12500+ links to local, regional, national, & foreign internet search engines, web directories, pay per click search engines & meta search engines; free/paid

Search Engines By Topic                                                                                                           10 October 2004

Search engines that learn from searchers                                                                                    12 January 2010

Search FindSame crawler database(Digital Integrity, US)                                                           13 January 2002
looks for content, not keywords. Submit document, or portion & FindSame returns ordered(100% to 1% of similiarity) list of Web pages containing any fragment of that document longer than 1 line of text; locate variant versions(replicas, out-dated/updated documents, plagiarisms) of  information, incl. text, numbers, computer code, images

Search for a Specific File Format: Google - filetype:, Yahoo! - File Format, MSN Search - filetype  2 February 2006

Search for deleted domain names with JustDropped  See also DNS search                                 14 July 2009

Search for lost User Manuals with Diplodocs                                                                              5 January 2009
download user manuals, guides, instructions, & owner’s manuals to 5600+ brands & 1.4m user guides; Search Diplodocs  by product, brand, or category; brands like Acer, Dell, JVC, Samsung, & Whirlpool.

Searchforvideo See also Searching for Video Clips
search, find & watch free online video clips videos covering news, sports, movies, music, business, health; RSS search feed notifications of availability;

Searching Books Between the Covers                                                                                        6 May 2005

Searching Dirty to Find What's Hidden                                                                                       28 August 2007

Searching for RSS                                                                                                                      1 September 2005
Search Engine Watch's Chris Sherman outlines search tools for finding blogs & RSS feeds

Searching optimism                                                                                                                    25 June 2011
New search engine looks for uplifting news: OdeWire news for intelligent optimists;

Searching the Internet: Web 2.0                                                                                                 7 July 2009

Search Inside the Book at Amazon.com                                                                                     26 October 2003

Search Medica the GPs search engine(UK)                                                                                9 February 2007

Searchpickr search interface                                                                                                      25 April 2008
query 224 web search services in 21 categories, according to topic of interest or type of media; 

Search Pigeon(Google Custom Search engine)                                                                           25 June 2008
search open access humanities journals within topics or browse an annotated list of journals. Searches to article level in selected publications

Search portals See Multi-Search Gateways

SearchTeam: collaborative asynchronous searching  free, premium service later                          9 August 2011
searches databases of videos, images, books, articles, Wikipedia, & a collection of educational resources; lets groups of searchers save results, add notes, modify results, “like” specific hits, & share results; register or use logins from other services such as Facebook, LinkedIn, Google, Yahoo!, or Twitter; SearchTeam FAQ;

Searchroller                                                                                                                                5 November 2004
accepts list of domains(or folders within domains) & rolls them into a bookmarklet to search that particular set of domains whenever you like.

Search the Live Web(Technorati)                                                                                                2 November 2005
Currently tracking 20.5m sites/1.6b links; sites that update with extreme frequency like blogs & news; results are individual posts(portions of pages); more specific & listed newest to oldest, often minutes old!; search by Keyword, Website URL, or Tag

SearchTheWeb2 for the Long Tail                                                                                               4 March 2007

Searchy UK Metasearch                                                                                                             3 March 2004

Semantic search See Meaning based search technologies

Semantic tagging(tagging for the semantic web)                                                                      13 November 2008
involves tags using RDF(Resource Description Framework) specifications or OWL(Web Ontology Language) of the World Wide Web Consortium(W3C); See also Tagging and the Semantic Web semantic tagging is best employed in areas when there is a qualitative 'best answer' to a user query as opposed to a 'most popular' answer; See also Meaning based search technologies;

Semantic Web Search                                                                                                               14 June 2004
search RDF, RSS, web feed & XML content; narrow within specific meta data fields; See also Giant Global Graph(Nov. 2007); Semantic Web research resources(Zillmann, Awareness watch V.9No.1, Jan 2011);

Serendipity Engines bringing information to users instead of making them seek it( Autonomous Search) 5 October 2010

Shopbots                                                                                                                                   7 March 2006
autonomous software agents crawl web for prices of similar products: kelkoo; PriceRunner; Shopping.net; Froogle UK; Zencudo; PriceGrabber; ShoppingBots & Comparison Bots(US) See also Price Comparison sites; Product & merchant evaluations;  PicClick visual search engine for eBay & Amazon listings; Bookase.com online price comparison search engine for major online bookstores worldwide; 12 Dec 09: iBARCODE: real-time price search engine launches     

Shopping search engines & online malls(Pandia)  See also Recommendation engines             16 August 2010
Regular search engines spider all types of web sites for information & may also find relevant bargains. Comparison shopping search engines get most of their listings from vendrs & present products & services; online malls, super stores sell all kinds of products & may include listings from associate stores & companies; 1 Aug 2011: 10 best shopping engines;

Short guide to free academic search, for UK students in the arts & humanities                            25 January 2011

Similar Site & Tag Search                                                                                                          14 July 2009
use Google ‘related:’ option, type URL in form ‘related:www.philb.com’; Who’s Websites like?; Web Insuggest asks for up to 4 websites  to focus a set of results; See also Dyamic query suggestion tools aka Dynamic search suggestion(Suggengines); similar-site; Ambiently finds semantically connected web pages; Similar Site Search based on user annotations or tags; 24 Jan 2010 Similicious closed     

Singingfish  (ResourceShelf, Feb 13 2007)                                                                                8 September 2004
develops, markets, & licenses audio/video search services to portals, search & directory sites, broadband service providers, content aggregators, news organizations, entertainment networks; now redirects to AOL Video; Truveo Redirects to SearchVideo 

Sisyphos fulltext search-engine (U of Heidelberg)                                                                     15 March 2011
indexes online resources in Egyptology/Ancient Near Eastern Studies /Classical Archaeology in personal & institutional websites, online ebooks, & 100+ ejournals (current &scanned from the archives); includes subject gateways, image databases, search engines, discussion forums, or mailing lists; part of Propylaeum: the Virtual Library Classical Studies joint project of Bavarian State Library(Special Subject Collections Early History, Classical Philology);  

Site search                                                                                                                                1 March 2008
Quintura (Alternative Search Engine of the Year, 2007) visual-based search engine, embeddable in web or blog page as a web search widget; browsing content through Quintura dynamic search cloud; Quintura Site Search vs Yahoo! BOSS; See also Desktop search tools

Sleevenotez information aggregator                                                                                              4 March 2007
search for musical acts information from different sources(Wikipedia, Flickr, YouTube) on one page; works best when artist name is distinct;

SlideFinder search for PowerPoint presentations on the Web                                                        14 January 2010
keyword search, advanced search  by both presentation detail or by slide; results presented in a grid with thumbnail of presentation slide, link for download, & domain from which presentation comes; browse presentations available at universities;

SMEALSearch                                                                                                                            21 October 2003
niche search engine; academic & commercially produced web articles & reports from  universities, commercial organizations, research institutes & government departments; academic articles, working papers, white papers, consulting reports, magazine articles, published statistics; by author, title, abstract, citations;  keyword searches & citation searches to identify influential articles- article submissions from users; citation analysis

Social media - users are the main contributors to content generation                                                8 October 2007
shared bookmarks & web pages(Del.icio.us, Shadows, Furl), tag engines, tagging & searching blogs & RSS feeds(Technorati, Bloglines), collaborative directories(ODP, Prefound, Zimbio, Wikipedia), personalized verticals(Google Custom Search, Eurekster, Rollyo), collaborative harvesters(Digg, Propeller, Reddit) & social Q&A sites(Yahoo Answers, Answerbag); video sharing sites(YouTube), blog, & photo sharing; Pipes: Social Media Firehose (SMF) beta queries Flickr, Twitter, Friendfeed & Digg, returns results to review by thumbnail images or by text headlines; Selection of Social Media Search Engines(Phil Bradley) how social media output is being indexed, sorted & made available for searching;

Social Media Search Engines(Phil Bradley) See also Real Time Search                                      13 November 2008
how social media output is being indexed, sorted & made available for searching; See also Social Mention social media search engine searching user-generated content such as blogs, comments, bookmarks, events, news, videos, & microblogging services; Scoopler: Social media engine(Real-time search); Is Social Media ruining search results?; See also Pandia Powersearch all-in-one list of search engines & directories; 48ers(public beta) searches Twitter, Facebook, Google Buzz, Digg, & Delicious all at once with from all displayed as entire entries (tweets, updates etc) & a logo indicating source; menu to filter results, RSS, share search results with friends; Gravee metasearch engine personalizes search results based on interests & preferences; Klout social media authority search "toy measure & provide context around who a person influences & specific topics they are most influential on"; Greplin: lets you find your stuff in the cloud: service indexes & makes searchable online social networking accounts(personal cloud) The free version indexes content from accounts on Twitter, Facebook, Gmail, Google Docs & Calendar, Dropbox, & LinkedIn, paid versions add other sources & more index space; system uses Facebook Connect system & for other services, the open protocol OAuth;           

Social Networking                                                                                                                        5 August 2004
See also Social Informatics(Social Networking White paper); Folksonomies; Personalized Collaborative Shareable Search; StumbleUpon(Firefox addon); Yahoo’s Guide to Social Media Tools; 43 things registered users post 43 goals, comment on others, browse by user, goal, geography; Never search alone(Rick Broda, PC Magazine Oct 21, 2005); Yahoo! My Web 2.0; Social search tools; Part 2: Search 2.0 vs Traditional Search; Social Networks: Internet Archive Bookmarks; Facebook; Netvouz; folkd.com(Firefox); Podchains combines social bookmarking & video/audio podcasts to bookmark & tag podcasts; Bookmarking & social sharing trends; Decipho; add Jaxtr links to your email signature, networkers call without downloading software, international phone charges or registering; control who, when, where & how you are reached; unlimited voice messages & 100 min/ month incoming phone calls; Content Wrangler- free access to articles on content management, monthly newsletter, discussions; Social Software: Common Issues  & Pitfalls Of Social Media Tools; Part 2; Analyzing The Facebook Platform & Apps; Social Tools for Business Use: Messages from a Web 2.0 Conference; Social Media Manual: Read Before You Play; 3 methods of visualizing best practices in social software design;  OnlineSocialNetworks Majordomo List; Twine (See below); 40 Downloadable Open Source Social Software Applications; Designing for the social: avoiding anti-social networks; Flickr image sharing social network; Bebo(AOL social network) lifestreaming feature allows users to pull updates from Twitter, Flickr, & Delicious, Facebook & Myspace; 'Lifestory' displays updates in a scrollable & zoomable timeline; Art of building a successful social site; Secondbrain bookmarking/social-media sharing/lifestreaming/social network; Who uses social networks & what are they like? Part 1 & Part 2; Online social networking: Internet miniguide, annotated link compilation(Zillman, Awareness Watch, Sept 09); Social.com directory of social networks items can be added to by Google Sets; Social media strategy: how I became expert in 3 days; Social Learning Handbook; Reuters Social Media Guidelines(for journalists); Social media in health care libraries – wikis & Netvibes win(Karen Blakeman workshop); Tales from the Terminal Room, June 2010(PowerPoint Presentation); How to delete your social networking accounts; Ups & downs of social networks: June 2010 graphical snapshot of current social networking landscape, illustrating statistically which networks are on the rise, which are falling, & providing usage figures for top 5 social networks in several countries including Australia, UK, US, Brazil, Germany, Italy & Spain; List of social networking websites(Wikipedia); Diaspora open-source project(alpha) using Ruby on Rails to build a social network focussed on user privacy: create aspects, personal lists that group people according to roles they play in your life; World Map of Social Networks, Dec 2010 showing most popular social networks by country; Top 5 social bookmarking services(Dec 2006); Community building: how to create your own social media network with Ning; Sphinn - search & interactive marketers share & discover news stories, read & discuss, discover events of interest & network; SearchMob(John Battelle); Digesting the 'Social Web Bill of Rights';  Survival Guide: Online Social Networking; Social Network Types, Motivations, & the Future; BAAGZ uses Exalead for 1st Semantic Search Service; Episilen: Academic Facebook; Twitter Guide: All About Twitter free social networking & micro-blogging service for users to send updates via SMS, instant messaging, email to Twitter website, or any  Twitter applications; OpenSocial's Social Design Best Practices; See also Social Graph: Concepts & Issues & Giant Global Graph(Nov. 2007); Spokeo, the Big Brother of social networking, a friend tracker- profile aggregator gathers information from social networking sites; Pronetos: Social Network For Scholars; SciTechNet(sm): Science & Technology Social Networking Services; Social Networking Services Meta List; List of Social Networking Websites(Wikipedia); Ning online service to create, customize, & share your own Social Network free; Find & share information on the Internet: Part 1; Part 2; Collaborative Filtering: lifeblood of the Social Web; Google Buzz(Gmail feature) takes on Facebook & Twitter; Tuppy interface to unify & organize accounts from different social networks, add new entries to blogs, update status messages, upload photos or video clips; compatible with all operating systems; 28 May 2011: eqentia personal news portal using Twitter, Google Reader, 70 channels created by eqentia, & news searches; add annotations & republish; 9 content curation tools that better organise the web; Managing flow of information in Social Networks: how do you do it?;
 

Social Search Overview: Yahoo!, Windows Live & Eurekster See also Real Time Search    10 August 2006
people-powered or people-assisted services such as social bookmarking(del.icio.us), voting & ranking articles(Digg) or search results(Sproose), building guides to topics(Mahalo, Squidoo); What the Heck is Social Search?; Who's Who in Social Search; Collarity as you type relevant keyword suggestions appear & URLs via Collarity Compass; Social Search Manipulation: Niall Kennedy Case Study - The Spam Farms of the Social Web how he found a spam site, researched, how much money they make, services that make it rank well; looks at blogs, digg, del.icio.us, link building tactics, directory inclusion, content writing; Cranky(50+s); Decipho filters search results by user preferences & lists in categories of their choosing; My Results extracts websites already ranked in another keyword search for separate display; Keyword Rankings link breaks down user-votes by categories for each keyword ranked; Social Meter allows you to select percentage websites user ranking for specific category must exceed; Sproose; Types of social search: Shared bookmarks & web pages(Del.icio.us, Shadows, Furl); Top 5 social bookmarking services; Tag engines, tagging & searching blogs & RSS feeds(Technorati, Bloglines); Collaborative directories(ODP, Prefound, Zimbio, Wikipedia); Personalized verticals (Google Custom Search, Eurexter, Rollyo); Collaborative harvesters(Digg, Netscape, Reddit & Popurl); Social Q&A sites(Yahoo Answers, Answerbag); See Tag Search; Thagoo tagged search engine for popular social bookmark sites; Mining Social Networks for Information; Scour social meta search engine encourages voting & commentary on query results (Review); Microsoft SearchTogether browser add-on Windows Live Messenger contacts share results, divide search labor, & add comments & ratings to specific webpages; SearchTogether social search (Microsoft); Social search guide: 40+ social search engines; Artiklz conversational search aggregates discussions on social media - who, where, why, when, & what people are discussing via widgets which aggregate & manage user generated blog or website content; no registration for most features, free registration for enhanced functionality, access to aggregators & systems  including Disqus, Sezwho, Intense Debate, Digg, Reddit, Friendfeed & Mixx; SocialMention aggregates results from social media sources,including Google blog search, Twitter, Delicious, FriendFeed, Flickr, Digg, YouTube remixed as a single stream of information; Scoopler: real-time metasearch for Twitter, Digg, Delicious, & Flickr; Future of search: Social Relevancy Rank; Searchwiki(formerly swiki.com) spiders major search engines like Google & MSN as well as social networking sites such as Facebook, MySpace, Twitter, LinkedIn & Hi5; Zakta automatically presents results in logical categories -web sites, books, reference materials & relevant subcategories - & suggests semantically related topics & subtopics; delete results that aren’t relevant, drag-&-drop results to rearrange them, add tags & annotations, publish as a guide & add to directory of guides; 23 Dec 09 Preliminary list of Beyond Search evaluated social search systems; Diigo (Digest of Internet Information, Groups & Other stuff); Yauba; Blekko slashtags focus search results & form a search syntax; 8 ways to find great social media content; 11 Sept 2011: Social media search - Topsy real time search of social media Facebook, Scribd , Twitter, YouTube with advanced search operators & alerts; Bing Social basic search of Twitter & Facebook can identify shared links, show public updates real time, suggest users on twitter, & show tweets on maps for an area; Addict-o-matic mega search on Twitter, news sources - Yahoo & Bing, blogs - Google & Twingly, Flickr & YouTube; Tweetdeck social dashboard for feeds from Twitter & Facebook (not LinkedIn) Can reply & re-tweet, see referrals to you, pick up mentions; HootSuite custom interface for social streams can monitor company mentions, products, keywords & fetch Twitter, Facebook, Linked In. Requires registration. Has a basic free version.

Song recognition software See Audio search; Humming search                                          18 January 2007
Nayio hum bars of melody to computer microphone & find words; cross-references hummed melody with Napster's library of 3m+ songs; match includes a NapsterLink; listen for free or purchase download; Songza; WatZatSong music discovery & sharing- record 30 second humming from song; upload sample; enter language, music style, comments; 

SPARQL query language for RDF (Interrogating the semantic Web)                                            21 June 2010

Specialized Search Engine FAQs: More Questions, Answers & Issues (Searcher V.10 No.9; October 2002)          

Specialty Search Engines Search Engine Watch)                                                                  22 August 2002
narrow universe you search - ONLY medical sites, law sites, newsgroups

Speechbot                                                                                                                              29 July 2003
17517+ hours of audio & video content. Search specific words or fast forward broadcasts

Speegle speaking search                                                                                                         14 November 2004

Spider Nevi: Search Engine for Medical Information & Tutorials                                              22 July 2004
2000 medical tutorials/7000 waiting to be reviewed

Sproose interactive search engine peer-moderated, ranking, prioritizing & community networking 4 March 2007
uses social networking to rank & refine searching; proprietary Knowledge RankTM moderated directory technologies categorize & index sites for personal or group use; collective moderation & scoring sorts existing sites for relevance;

Squidoo free widgets to create lenses & focus on an area of expertise, direct reader to content   2 March 2007

Structured Data                                                                                                                      27 December 2009
Top 5 web trends of 2009: Structured Data; ChartSearch: natural language querying for structured data uses a variant of XML & a rules based approach to locating & extracting data;

Suggengines                                                                                                                          23 September 2005
LookAhead(Surfwax) pioneering dynamic search navigation service; type-ahead, auto-completion, suggestion methodology search palette(SearchPal™) offering semantic- & lexically-related search; see also Google Suggest & Yahoo Instant Search social search engine; Collarity Relevance Engine quick topic results from limited information; slider bar settings for Personal, Community & Global options provide suggestions based on previous searches; limited search functionality;  Search Radar browser plugin to suggest refined search results in sidebar; Yahoo! Search Assist based on top 20 pages of search results gives query suggestions as well as related topics & concepts; Omgili Search Aid searches other users queries for ideas on correct keywords to get best results; See also Dyamic query suggestion tools aka Dynamic search suggestion; 

Summarising                                                                                                                          11 December 2003
crawls Web sites nightly, downloads articles grouped into clusters, summarizes each cluster

Surfing the Internet for Spoken Words                                                                                    18 September 2006
Podzinger Inc, TVEyes Inc. & Blinkx Inc use voice-recognition software to translate spoken words into text or audio-wave forms for searching; others such as Google search for text tags;   

Surfwax LookAhead dynamic search navigation                                                                     17 November 2006
WikiWax search Wikipedia; fast SEC-Edgar(2004-2006) form finding tool; searching National Center for Biotechnology Information(NCBI) Databases..

SWF specification                                                                                                                 5 July 2008
delivers rich Internet applications(RIA) & interactive content via Adobe Flash Player; RIAs & dynamic web content have been difficult to expose to search engines because of their changing states; SWF format delivers vector graphics, text, video, & sound over the Internet & is supported by Adobe® Flash® Player & Adobe AIR™ software; Adobe is providing optimized Adobe Flash Player technology to Google & Yahoo! to enhance search engine indexing; See Media Wombat Flash Search Engine;

Swoogle Semantic Web Search                                                                                             27 May 2006
FAQ including other systems like Swoogle; crawler-based indexing & retrieval system for Semantic Web Documents(SWDs), i.e.  written in RDF or OWL;  discovers, digests, analyzes, indexes & provides query & report service through a web interface;

Tables See Data searching

Tag Search See Guten Tag(above);
TagCloud; Meta Search Tagged Content With Wink material categorized at Digg, Yahoo! My Web, del.icio.us, Furl, Slashdot; Tagging(Wikipedia); Tagground search mashup of social bookmarking sites incl. digg, del.icio.us, Ma.gnolia, RawSugar-search tag associations; TagBulb metasearch(2 blog search engines) 14 categories, related tags, link to tag cloud, recent tags, popular tags; tag universe, no date search; thumbnails; Thagoo tag metasearch for social bookmarking sites; Can Tagging Improve Free Web Search?; When tags work & when they don't: Amazon & LibraryThing; Taggylicio.us(beta) meta search engine queries tagging sites Flickr, Photobucket, YouTube, Digg, Reddit, Dailymotion & Del.icio.us; Conference organizers now encourage bloggers to use a standard tag to identify blog posts about the conference; Semantic Tagging with Faviki; Semantic Web’s Tagging System Already Exists – And It’s Not RDF or OWL; Hulby provides search results from Yahoo with a cloud of related words; Social bookmarking/tagging(1 January 2010);  

Talk Digger                                                                                                                              17 July 2006
helps users find, follow & join conversations; URL of BBC news, blog post, product page; paste URL in search box & Dig it!; Talk Digger will then ask major search engines "Who linked to that URL?";

Technorati(conversation engine; weblog search/blogosphere buzz meter)                                   1 May 2004
talk blogs & sites; every page linked to in past 24 hours, ranked by freshness or authority with contextual text; tracking 22m+/1b+ links; tracking 4m+; 250 most popular tags at Technorati Tag; Technorati Blog Finder directory; Watchlists tracks topics; Technorati Search Tips; (8/11/2006)Technorati's indexing prefers Atom feeds over RSS because Atom is explicit about whether or not it bears full content or excerpts; redirecting Atom feeds to RSS regarded as downgrading in our crawling heuristic; we're experimenting with treating Atom feeds redirected to FeedBurner (which serves RSS) as full content across board, negative impact may be that we only index excerpt; Technorati WTF annotates keyword search results; (26 May 2007) now searches blog posts, photos, videos, music & events; hub for user generated content, aggregated across 250m+ videos, blogs, photos, podcasts, events, & social media objects; Topics feature; Conference organizers now encourage bloggers to use a standard tag to identify blog posts about the conference;

TechTarget                                                                                                                                5 August 2001
IT-specific search engines incl. SearchDatabase, SearchHP, SearchDomino, SearchSolaris, SearchWin2000; targeting IT professionals with portfolio of Web sites in narrowly focused IT markets; each business-to-business site features its own IT-specific search engine; editors aggregate, organize & prioritize

Telephone numbers: Reverse Number Search                                                                      16 December 2007
Sullr - look up phone number(US, Argentina, Belgium, France, Italy) for address & map;

Template Chaser for website, CMS, design, office, software                                                       14 December 2009
Sphinx-based search engine; 43000+ commercial templates from several providers over; price, browse for ideas; advanced search options(Category, type, max &/or min price);   

TextFindIt Version 1.5(Carlos Raposo’s Microsoft Windows Dot Net 3.5 search application)    1 July 2009
search for a specific text string or keywords inside the files in a folder or sub folder (including non text files); Requires Windows XP/Vista/7 & .Net Framework 3.5;

Textile Exchange                                                                                                                       1 March 2008
search engine & products directory with topical headings like Textile Products, Fibers, Yarns & Threads, Textile Chemicals; fiber & textile history, types of weaves; Textile Personalities;

Text Mining: A Vision for the Future  (Ariadne, No. 53)                                                           3 November 2007

Thematic Starting Points                                                                                                            24 August 2004

Those Dark Hiding Places: The Invisible Web Revealed                                                             12 July 2001
dynamically-generated pages, certain file formats, & numerous databases are invisible to searching spiders

Thumbnail search result previews(Screenshots)                                                                   28 October 2007
Exalead, TalkDigger, Kartoo, ZapMeta, & Search.com; CoolIris Previews Firefox add on for instant previews of links while you browse; also for Safari 2.0, Internet Explorer 6.0, & Flock; review; CoolIris PicLens improves image search;

TimeSearch: Search the Web through Time 10000 events in timelines; HistoryWorld spin-off         18 March 2007
See also Google News Timeline; Interactive virtual timeline from British Library(BL Timeline); Cuil shows timeline on some queries; Google Timeline use More Search Tools & select Timeline; Dipity creates timelines with data drawn from social media sources
(YouTube, FLickr, Diig, Twitter). Registered users create topics & share fully or selectively; Dipity Timetube mashup searches YouTube shows videos on a timeline, flipbook, or map view; 30 August 2010:Google Replay presented Twitter search results in a time-line graph to select year, month or day, or click any point to view tweets from one specific time period; service now reappears at a new Google Realtime page; You can also find this microblog search tool by doing a regular Google search & clicking on More & Updates in left hand column of search result page; Updates database contains content from Twitter, Facebook, MySpace, FriendFeed, & Google Buzz but only Twitter is covered by Replay tool;

TinEye Reverse Image Search 0.4(Idée Inc)                                                                                                                       9 May 2008
advanced image identification & visual search software provides clients with reports of where their images & videos have been used, allowing photo wire agencies, stock photography firms & entertainment and media companies to recover lost revenues by identifying billable image uses or infringements; Potential users may request an invite to be involved in beta testing process; pattern recognition algorithms; 900m web images indexed(31 Aug 08); JPEG, PNG & GIF images to 1Mb; FAQ; Search engine; all operating systems;

Tip-of-tongue: Chir.ag: search for that word you forgot                                                             25 October 2008

TNW: The Next Web Search                                                                                                 25 February 2010
all things search related; edited by Charles S. Knight, former editor of the blog AltSearchEngines & publisher of 4000+ posts about alternative search engines; 

Topgist downloadable application let's you cluster results from Google, MSN or Yahoo            20 January 2005

Torrent Typhoon                                                                                                                     13 November 2005
meta-searches BitTorrent sites, including TorrentBox, TorrentSpy, MiniNova; 400000+(8 sites); keyword search; results give Torrent name, size, seeds, & peers. Dead Torrents arent listed, default searching time is 2 seconds/site (change between 1 & 4); RSS feed for news updates; Torrent Portal BitTorrent metafile index; Ultimate guide to Torrent Search; Torrific:find, download any T over HTTP; Torrentz free torrent metasearch engine; 15m+ active torrents from 61m+ pages on 33 domains; 

TowerSeek.org BitTorrent search engine See also BitTorrent Search;                                      23 January 2005

TradeVibes Search Engines - Top 94                                                                                     9 May 2008

Trailmeme  publishing a trail of content on a specific topic; read & walk other peoples’ trails      10 October 2010

Translate & Search                                                                                                                8 October 2008
2lingual allows you to bilingually search Web, Images, Videos, Wikipedia, & Blogosphere from 1225 different bilingual search combinations of Arabic, Bulgarian, Catalan, Chinese(Simplified), Chinese(Traditional), Croatian, Czech, Danish, Dutch, English, Filipino, Finnish, French, German, Greek, Hebrew, Hindi, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Ukrainian, Vietnamese; Firefox 1.5+, IE 6, Safari, & Opera 9+;

Trexy.com                                                                                                                               5 March 2006
a la Vandevar Bush's Memex machine; search trails in Google, MSN, Ask.com; search terms & pages visited on 3000+ engines; follow anonymous search trails or your searches & search trails of others; see also PreFound;

Turbo10 metasearch engine provides a universal interface to Deep Net™ engines                     1 September 2007

tveyes  Searchable Audio Recording Of Major TV News Broadcasts                                       3 February 2006
 using Podscope's SpokenWord technology to index words spoken in a video file..links to video snippets containing keywords; search Internet TV from US, UK, Canada, Australia & Al Jazeera; France, Mexico, Guatemala, & South Africa soon;

Twingly microblog search of Twitter; Jaiku, Identi.ca, Bloggy.se, Bleeper.de                               27 January 2009

TwitterLinkr: Twitter Keyword RSS Feeds                                                                               25 April 2008
free Web service to query select Twitter posts & display results or receive them as RSS; search by keyword or review postings of certain members; formula for converting search or tracking results to RSS feeds - http://www.twitterlinkr.com/rss.xml?nutzer=membername; for search results - http://www.twitterlinkr.com/rss.xml?suche=keyword; may be vulnerable to phishing & other types of attack. Take precautions when following links; 

Twitter search services                                                                                                          20 October 2009
T search; Advanced search for results in particular language, from particular person, reflecting particular mood, in date range, within certain distance of [placename]; word-cloud generator & Firefox add-on Search Cloudlet; Summize searches Twitter in real time; 3 ways to search Twitter; Twilert Twitter search alerts via email; Twitscoop: tweet, search & monitor Twitter in real-time for news & info flows; Filtering T's noise with Mixero; Summize’s T search; Twellow Twitter search directory; Twitter authority search: Twitority sorts search results by any authority: “any”, “little” or “a lot” in descending or ascending popularity. No live update of search results & no RSS feeds offered; Twithority displays results in 2 columns: Top 10000 by rank authority algorithm & Top 10000 by time; RSS feed; See also How to search T effectively; Using & finding T lists including Listorious directory; MustExist finds Twitter lists by exploring tags; Where have all the old tweets gone?; Social graph miners: Name 3 people you admire, despise, work with or otherwise pay attention to & HiveMind, Follower Wonk & Twiangulate will calculate who those people are following in common on Twitter & they'll show identify you aren't  following yourself; RankSpeed search by sentiments: search & ranking tool to find best websites & products by a sentiment analysis on Twittersphere/blogosphere; analyzes data in social media to rank results by any item or query entered as keyword, plus a sentiment about that item; 15 April 2010: Library of Congress acquires T archive; Google launches T timeline search; Snapbird searches back in time past the 10 day cut off T imposes, you can't search someone's tweets if they're protected(even if they're your friend & you're logged into SnapBird), but you can find their protected tweets if you do a 'your friends tweets'; Twitcaps for T images, Twitmatic for T videos; Google adds T timelines, friend recommendations; Treasuring T: the why & how of preserving tweets; Tumbl.in – the Stumbleupon equivalent for T that fnds great links; 27 Feb 2011: New T & search: an illustrated guide(Danny Sullivan); Topsy algorithms dynamically identify Social Web influencers for any searchable criteria, using these influence calculations to rank results & realtime search results are highly relevant & devoid of noisy stream of consciousness; options ro search Twitter archives & filter results by date;  

Tynto:  Popular Head & Long Tail Search Engine(aka SearchTheWeb2)                                  13 August 2007

UCmore                                                                                                                                  7 June 2003
installs into browser & shows information related to page you are viewing; contextual search; like Alexa toolbar; discover new sites related to those you like;  suggests directory categories & actual web sites from Open Directory; claims not to be spyware

Ujiko visual information search & representation technology from Kart00                                 6 April 2007
evolves with your expertise; Regroup search results by theme on intuitive circular map; innovative information management;  personalization of results according to theme & previous searches; visual skins to change way your Ujiko applet looks 

Ultimate Search Engine Directory                                                                                             15 September 2008

Universiteitsbibliotheek collection of (mainly) special search engines (Marten Hofstede)             24 June 2001

URL Investigators  See also SRU Search/Retrieve via URL                                                    12 May 2007
AlltheWeb URL Investigator(service dropped after Yahoo! takeover) sites with links to particular Web page; indicator of quality or authority of page; find similar pages to known URL; unlike Google command link: AtW URL investigator excludes internal links within site; typing URL into search box gets: language of site; size of page; date last updated; how many pages link to that URL; how site looked in past(Wayback Machine); Whois service to see who owns domain(limited to same domain type; doesn't always work - try Allwhois);  URL investigator works on US government sites but not UK government pages: in AltaVista use link:www.xyz.co.uk -host:www.xyz.co.uk(will   ignore internal links); in Google use link:www.xyz.co.uk but remember that it will pick up internal links on xyz.co.uk; in Hotbot UK (http://www.hotbot.co.uk/) go to Advanced Search page & use Page Links Analyser;

Usenet search See Forum Search(Newsgroups, mailing & discussion lists, Listserv, Usenet)     25 October 2008
Usenet FAQ Archive Search  See also Harley Hahn's Master List of Usenet Newsgroups & Triceron.com; See also BinSearch above; (Oct 2009)Google’s abandoned library of 700m titles; (8 Oct 09)Google fixes Usenet Archive; GrabIt Described for Noobs(open source tool for accessing Usenet content & assembling split files) 5 Jan 2010; 3 June 2010: Duke U shuts down its Usenet Server, Electronic newsgroups began at Duke in 1979; Usenet Archives collected by Norman Yarvin; 

US Non-Commercial Medical Search Engines                                                                          1 December 2006

Vertical search engines (Indeed job search, Scirus for science information)                            24 July 2009

Video search                                                                                                                          25 January 2005
Google Video(beta) searches PBS, Fox News, C-SPAN, C-SPAN2, San Francisco Bay Area stations; Video search tools free & fee on Web; Annodex open source video search technology(Firefox plug-in) developed by researchers in Australia; Autonomy IDOL IPTV allows users to search for & manipulate films, TV programmes & music broadcastt; Vodium MediaTracker technology customers optimize video content for crawling by search engines; See also tveyes above; BlinkxTV; Truveo; Search Video; Search for video; PureVideo.com: meta video search engine RSS feeds-based technology collects data from MySpace, Rolling Stone, AOL Music, ESPN, Fox Sports, Comedy Central, YouTube, Break.com, CNN, BusinessWeek; PureVideo Search; Are there search engines for image, sound or movie content?; Exalead video-specific syntax filters by video length, number of votes, or times viewed; Open Source Realtime Video Editing & Effects Software: Jahshaka; See also Blinkx.tv; Video search engines & directories; Video search engines & online video directories: a mini-guide; Internet video hyperaggregation(Meta-Aggregation) - Vod:Pod, Magnify, Dabble; Lumerias; Top 100 video search engines; Ixquick Metasearch has improved their video search option by teaming up with blinkx; Sproose uses blinkx database adding a Digg-like interface for registered members votes; 14m hours of video content searched; Zuula searches video sites including Google Video, YouTube, iFilm, MetaCafe, & DailyMotion; VideoSurf (Beta, Oct 08) highly relevant search results(Chris Sherman) & face recognition; (19 Oct 2009) Video discovery by source: video search engines source 0.63% of all referred video views, most are found via blogs & direct navigation to video sites; Topsy launches Real-Time Video Search, Matt McGee, Search Engine Land(Mar 15, 2011) real time search of social media at Topsy.com for uploads in last hour or day, 3 days or 7 or 30;  

Visualization
See Anacubis(above) to visualize Amazon, Google & Hoover's; Grokker 2.0(US $49.95 subscription); SmartMoney's Map of the Market for stock market data;  Amazon, Google, & LiveJournal visualization tools from TouchGraph Java application which loads into your browser window & displays  networks & connections in data or search results list ; Google News Map; Client software: Personal Brain, Groxis; Cluuz; Keyword & topic visualization tools: MSN Entity Association Graph visualizes associations between entities by mining  co-occurrences in search queries or search sessions; Visual Thesaurus visualizes lexical relationships between various word meanings; VisWiki visualizes relations between topics based on how they are interlinked within Wikipedia article; EyePlorer visualizes knowledge graphs(k-graphs) derived from Wikipedia content; Silobreaker search service for news & current affairs; Public Data Explorer(Google Labs) Data visualizations for a changing world using Trendalyzer: takes public data regarding schools, population, crime, even names to construct charts & graphs that illustrate trends; International data comes from WorldBank, OECD, Eurostats & data from US Bureau of Labor Statistics, US Census Bureau, US Center for Disease Control, US Bureau of Economic Analysis; available data sets; See Google Books Ngram Viewer visualization tool available at Google Labs: Since 2004, Google has digitized 15m+ books worldwide; datasets containing phrases of up to 5 words with counts of how often they occurred in each year are based on a subset of that corpus - 500b words from 5.2m books in Chinese, English, French, German, Russian, & Spanish; research project led by Harvard University’s Jean-Baptiste Michel & Erez Lieberman Aiden published 16/12/2010 in Science, coauthored by several Googlers & provides examples of how quantitative methods can provide insights into topics as diverse as spread of innovations, effects of youth & profession on fame, trends in censorship; Ngram Viewer lets you graph & compare phrases from these datasets over time, showing how usage has waxed & waned; 25 December 2011: Microsoft Academic Search adds new visualization tools;                                                               

Visual Search Engines                                                                                                                  13 March 2008
Kartoo Flash-based mapping search(see HTML (no Flash) based interface); French language Kartoo, Kvisu; see also Kartoo Perso(2007, Kartoo now Ujiko), Map.net, WebBrain, WebMap, Grokker, TouchGraph Google Browser, Anacubis, Musicplasma free online Visual Search Engine finds music tracks & authors according to musical genre; Visual Search Engine for Music(Musicplasma); Visualize This products including Vivisimo, Groxis, AquaBrowser; (10 May 2005) free Grokker Java plug-in for browsers displays Yahoo search results as categories  circular map; demo Grokker on Amazon.com, Wikipedia, Yahoo(used by EBSCO & Thomas Gale database carriers); Grokker free & enterprise tools the latter used by EBSCO for their Visual Search search option(G closed 2009); See Chmoogle; Quintura Desktop Search offers visual map of tags or hints contextually related to search query; add or subtract tags to specify context or meaning of query; Quintura uses advanced Neural Networking techniques; navigate & refine Quintura Cloud, Save & Share results; Retrievr; xcavator; CogniSign(Intelligent Image Recognition Technology); Like visual shopping engine; PageBull visual metasearch; Webliography: 2D & 3D information visualization: next big Internet revolution - compilation of resources; Riya technology provides face & text recognition in photos;  KoolTorch; (23 August 2007)Tafiti runs on Silverlight browser plug-in platform(Microsoft's answer to Adobe's Flash; cross-browser, cross-platform plug-in for delivering the next generation of .NET based media experiences & rich interactive applications for Web, a type of advanced Ajax) & needs Silverlight installed; underlying search engine is Microsoft’s Live Search; oSkope search & organize items from  web services like Amazon, Ebay, YouTube or Flickr in an intuitive way; RedZee Search 2.0; Touchgraph.com dynamic interactive display of relationsips between websites using the databases of Amazon, Google, FaceBook or LiveJournal(for weblogs); LivePlasma for music & movies; searchCrystal visualization tool to search & compare multiple enginese, remix & share results from best web, image, video, blog, tagging, news engines, Flickr images or RSS feeds; ManagedQ visual interface to Google results; Executive Summary bar has important ideas in search grouped by people, places & things; SearchCrystal.com combination of metasearch, search engine comparison & data visualisation searches web, images, video, news, blogs & tagged web pages (from Reddit, Digg); Speculating About The Visual Future Of Search Results; Searchme; Visual search: a survey of a few display systems; Seeqpod; Viewzi shows results by screenshot, text, powergrid, photos, Google timeline view, photo tag cloud, etc; SearchMe shows answer in web pages you scan & save in a stack, includes video & image collections(shut down in 2008, IP rights failed to sell); SearchCrystal for multiple engines shows hits as points on a dart board to mouseover; shows images, video, news, blogs; mashup view; AllPlus universal meta search & discovery engine shows results from several media types with clusters; cluster graph opens in a hyperbolic tree; Clouds for visualizing results; Ziipa lets you stumble with your eyes - semantic search, crowdsourcing, & random site discovery; KartOO Technologies has developed visual metasearch engines for economic intelligence, strategic watch(including e-Reputation) & innovation management within intranets, extranets & Internet; Kartoo/ Ujiko Sites closed (24 Jan 2010); Amazon uses visual search for shoe shopping with algorithms subsidiary A9 has been working onfor its shopping tools; Cooliris picture viewer going socio-local with Liveshare; Flokoon visual search for media sounds from Last.fm, videos from YouTube, images from Fotolia displayed in a hub-&-spokes representation to represent artists/videos/songs; Yometa.com federating search system taps results from Bing, Google, & Yahoo; TorrentButler: a visual, movie-based Torrent discovery engine; Visualization with Twitter - Twiangulate & MentionMap; 8 Mar 2011: Visual searchengine round up by Stephen E. Arnold;    

Vivisimo                                                                                                                                       6 September 2004
search results organized in groups. Advanced search; specify search engines wanted, how many results you want & language(Dynamic clustering); English & German versions; used for Dogpile, MetaCrawler, WebCrawler & Killerinfo.com; BoardReader is Now Using Vivisimo; V. clusters results from Slashdot; GoogleUncleSam, UNSearch, FirstGov, NASA (See Clustering Engine Demos ) & open source projects  via Freshmeat & SourceForge; See Clusty

Virtual Machines                                                                                                                       23 November 2007
TechTarget launches search engine for VMware links to articles, topics, & site features relevant to VMware; keyword search & advanced search in different sections(expert advice, news, white papers, etc.) or in different sections of a document (title, URL);

Voice actuated search                                                                                                                12 August 2008
Nuance Communications' Dragon® NaturallySpeaking® 10 speech recognition software; write documents & emails, search the Web, control PC; Tazti - speech recognition search plus!; ChaCha beats Google & Yahoo in mobile voice search tests; Vlingo voice-based search for mobiles; Siri voice-based personal assistant;

Voice of the Shuttle(U of California, Santa Barbara)                                                                      12 April 2002
comprehensive research subject list with humanities orientation

Watson 2.0 personal research assistant                                                                                         26 September 2005
connects MSN Search Toolbar with Windows Desktop Search to work seamlessly with web search engines, intranet portals, subscription services, databases, corporate extranets, KM solutions & desktop search applications; automatically searches as you work for related information; Requires Microsoft Windows XP/Server 2003/2000, Microsoft Internet Explorer 5.01+; 30 day trial; $9.95/month, $99.95/yr;

Wayback Machine                                                                                                                      13 January 2002
launched 24 Oct 2001..surf pages stored in Internet Archive; October 2001 provided public access to 100+ terrabytes of monthly snapshots of WWW since 1996 ; Wayback Machine access to past contents of given URL; 10b pages, 7 June 2003; Recall(beta) keyword search on 35% of database; graphs returned pages by date with options for narrowing search using categories & topics; limit search by date page was captured; See also Memory Hole

Waypath blog discovery engine                                                                                                   12 January 2005
mining weblogs; Think Tank 23's Nav4 software searches for posts with keywords, full posts(urls), by references(who links to whom); Related Stuff gives precise matches of relevant products in context of weblog posts; See also Technorati;

Wazap game search engine                                                                                                         20 January 2007

Web 2.0 tools connect with other people on the Internet & share  news, photos, books, etc         21 June 2010

WebFountain  mining & discovery platform                                                                                 25 September 2003
extracts trends, patterns, relationships from unstructured & semi-structured text: 1) super-computer-based platform integrates miners, crawlers, & applications to open, scalable standards, to host services 2) Multi- terabyte data stores of unstructured & semi-structured data from Web pages to blogs, bulletin boards, enterprise data, legacy data, licensed content, chat rooms, e-mail, etc 3) Text analytics including natural language processing, statistics, probabilities, machine learning, pattern recognition, artificial intelligence; 

Weblogs, Blogs & Blogging                                                                                                         31 December 2005

Weblog search engines(Ariadne, No. 36, July 2003)                                                                 2 April 2004

WebSearch                                                                                                                                19 August 2004
Australian & New Zealand content; implicit & complex Boolean searching, link & site searching, phrase searching, single(?) or multiple(*) character wildcards

What is the Deep Web?(Quigo Deep Web Technologies)                                                           23 April 2002

What is the Invisible Web? UC Berkeley - Teaching Library Internet Workshops                        11 March 2003

Where to Find Open Data on the Web                                                                                       11 April 2008

Whonu free supersearch                                                                                                            9 February 2006
search terms in blogs, RSS feeds, news, standard web search, opinions & review, video or audio-based content; limit search to specific web sites; create RSS feed

WikiWax  Surfwax LookAhead dynamic searching of Wikipedia                                               17 November 2006

Windows Live Book Search(launching 2006?)                                                                        30 June 2006
find answers from authoritative book content; Windows Live Books Publisher Program allows publishers to submit in-copyright material; FAQ;

WindowsSecrets.com/WinFind Windows Tips Search Engine information from reliable experts    10 July 2004

WinFind specialized search engine for sites with high-quality Windows information                        9 October 2003

Wink social bookmarks service & social list(collections) service lets you tag                                10 March 2006
crawls Digg, Furl, Slashdot & Yahoo MyWeb, user-imported tags from del.icio.us; TagRank(tm) algorithms rank pages for relevance; search social web, refine results in social way by ratings; Google results comparison;

Wolfram Alpha computational knowledge engine launching 18 May 2009    W|A blog                 2 May 2009
Mathematica tool for scientific computation(Version 1, 1988); Mathematica algorithms cover mathematical computation, logical, numerical, graphical, symbolic, & other computation; Show steps button gives step-by-step explanation to arrive at answer; Tips: rephrase, capitalize to ensure results; search for data snippets(height of a mountain, chemical formulas, population stats, stars, planets); combine searches; maths problems, sports statistics, word puzzles; disambiguates natural language to present relevant facts, charts, illustrations & supporting tools; structured input fields(weights, measures, dates, etc); musical & other notations; cp Google Squared - returns search results in spreadsheet format, structures unstructured data on web pages; “We’re trying to take…all data, methods, models & algorithms accumulated in our civilisation & make them computable so that anyone can...use that knowledge to compute answers to specific questions”...“10+ trillion pieces of data, 50000+ types of algorithms & models, linguistic capabilities for 1000+ domains”; doesn't gather data from Web; knowledge base data sources from World Almanac to highly specialized science data; Review Parts 1 & 2; [reality check]; See also Cyc & TrueKnowledge; Firefox add-on puts Wolfram Alpha in your Google; interesting searches; expert-friendly search system for specialists best used as an orthogonal complement to Google & general search engines; Wolfram Library Archive; (11 JUne 2009) Update: Additional linguistic forms for many types of data & questions; More comparisons of composite properties; Combined time series plots of different quantities; More complete handling of government positions (e.g. "chancellor"); Updates to country borders for India, China, Slovenia, Croatia, et al; Updates to naming for politically sensitive countries & regions; Additional subcountry regions ; Additional support for current & past fractional timezones;  City-by-city handling of US states with multiple timezones; Updates to certain European currencies; Additional historical events; Additional probability computations for cards & coins; Additional output for partitions of integers; Implicit handling of geometric figure properties; Additional support for Mathematica 3D graphics syntax; Additional support for stock prices with explicit dates;  Support for planet-to-planet distances & "nearest planet", etc; Extra information when comparing incompatible units; Improved linguistic handling for foods; More mountains, especially in Australia; Support for less-common given names; More "self-aware" questions answered; More consistent handling of sidebar links to Wikipedia, etc; See also Rseek (above); W|A is on the job with US Occupation & Wage Data - occupational salary data, & salary computations for local currencies, compare US occupational information for multiple jobs, including median salary, number of people employed at those jobs; WA write stuff words & linguistics database for word definitions, origins, synonyms, hyphenation, & Soundex lookups; See also Crowdsourcing the semantics of numbers with True #: a dedicated technology for representing numbers that achieve new levels of engineering productivity, accuracy & auditability; Xignite financial services help fuel WA Engine: on-demand financial market data calculations: real-time & historical stock prices, market indices, interest rates, currency exchange rates, commodity prices, & economic statistics; See also Infochimp datasets(Beta); (20 Oct 09)Wolfram Alpha's iPhone app launches: lots of power, but too expensive; (13 Nov 09)Bing gets Wolfram Alpha, Facebook integration; W|A helps you see your medical test data charted against US population; 21 Dec 09 New features; New features, 26 Dec 09; W|A adds physical activity data; free mobile interface can be seen on regular web browser; W|A Community Newsletter; Connecting people & places curating new data & knowledge worldwide; examples by topic; entity index shows specific examples of what W|A covers in different categories; ways to search for diseases; Health indicators for 200+ countries & territories; 1 June 2010 added military information: army, navy, & air force personnel for 150+ countries, armament statistics(tanks, nuclear warhead stockpiles); Date checking & coordinating with W|A; Physical activity data; W|A: simple & not so simple computations in one click; Ask W|A about medical drug treatments: disease database has data on drug treatments & ranks drug classes by number of patients to whom they were administered; W|A analyses illness symptoms, generic drug options; W|A widgets; W|A adds military data: army, navy, & air force personnel for over 150 countries as well as armament statistics(tanks, nuclear warhead stockpiles, etc); 10 search terms to put W|A to good use everyday; US movie box office data; US retail sale trends; Talk to W|A in TeX standard typesetting system for mathematical & academic content; Use W|A to find what day a given date was; food consumption & worldwide health indicators; current world population; Angle conversions; Energy prices(US);  4 Dec 2010: Peter Jacso's review; Automotive data expanded to include amount of traffic, vehicles in use, auto-related injuries & fatalities, road lengths by country; Atomic spectra data; physical properties data for alloys; widget for movie buffs; tree growth data; Create QR Codes on W|A:  type in “QR code” in addition to informationto be coded; encode up to 7 KB of data, including phone numbers, email addresses, URLs, or just plain text; 19 Apr 2011: W|A & @DuckDuckGo are now partners; Algebraic expressions simplified in W|A; W|A can now compute facts from @WorldBank's labor data; 18 May 2011: Plot or graph almost any function in 2D & 3D planes with W|A; W|A performs vector operations; W|A currency converter; 29 Jun 2011: ChaCha adds data from Wolfram|Alpha; 9 Jul 2011: Access World Bank’s Doing Business Data(objective measures of business regulations for local firms in 183 economies & selected cities at subnational level) with W|A including import/export costs, business tax rates, time required to complete various business-related activities, & rank countries according to business-related indices; 23 Jul 2011: Moon phases; 8 Oct 2011: now knows all core Mathematica functions; 19 Oct 2011: world food production, harvest, & crop yield data; now featuring Categories: Astronomy, Chemistry, Colors, Computational Science; Culture & Madia, Dates & Times, Earth Sciences, Education,  & yearly archives since 2009; 22 October 2011: Compute Cost of Living today;  29 Nov 2011: Wolfram Alpha shows flights overhead Typing ‘flights overhead’ into W|Al query box for information about airplanes above, including altitudes, distances, aircraft types, & which airlines are operating them; information on aircraft that should be visible to you, assuming a clear sky & unobstructed view;4 Jan 2012: Secret behind the computational engine in W|A; Why does W|A show search results in pictures rather than text?; 8 Jan 2012: Wolfram Planets Reference App & Wolfram Stars Reference App for iOS(US$0.99, iTunes App Store) provide access to real-time data & computational power of W|A;

Wolfram|Alpha Course Assistant Apps Homepage                                                                    13 January 2011
W|A to monetize its service with student apps(US$1.99 each) for Algebra, Calculus, Music Theory; Apps Coming Soon For: Chemistry, Astronomy, Physics, Multivariable Calculus, Accounting, Statistics; For Educators; Education Forum;

Wolfram Data Summit 2010,Washington, DC on September 9–10 2010                                8 Jun e 2010
leaders of data repositories in all areas invited—socioeconomic, scientific, financial, medical, geographic, commercial, lexicographic, cultural, biographical, mathematical; confirmed BBC, Bowker, CABI, CDC, comScore, CRC, DataONE, Encyclopedia of Life, FBI, Federal Reserve Bank, Gale, IMF, Internet Archive, Moody’s, NASA, NCBI, NIST, NREL, NSF, U.S. Office of Management & Budget, Open Library, OpenStreetMap, ProQuest, Protein Data Bank, Smithsonian Institution, Sunlight Foundation, Thomson Reuters, UNESCO, UNICEF, US Census, US Department of Transportation, US Department of Education, World Bank, World Conservation Monitoring Centre;

Word Finder & Word Pattern Finder                                                                                     9 May 2010
search parameters: length of word, letters it starts with, ends with, or has somewhere inside it, & even unscramble them, 2 dictionaries to choose from including official Scrabble dictionary;

Word Pattern search in Exalead                                                                                              18 December 2005
/psych.*ist/ finds pages containing psychologist, psychiatrist, psychoanalyst [yst?];

Words Close Together precision search for text data                                                               31 January 2010

Word search  Tip-of-tongue: Chir.ag: search for that word you forgot                                      25 October 2008

Wotbox                                                                                                                                  14 September 2004
pinpoint site's country of origin; country-specific sites Australia, Canada, France, Germany, Italy, New Zealand, Spain, US & UK

Xcavator(public demo)                                                                                                          4 August 2006
identifies visual clues, extracts similar pictures from groups of images; Like Retrievr visual search tool, searches free Flickr/Yahoo public digital image library;

Xmlhub tool for making RSS feeds out of MSN search engine query results                             20 November 2004

Xyggy uses Bayesian Sets to recognise relationships between objects; Xyggy Patent;              13 December 2010

Yahoo! Correlator part of Sandbox area for new ideas                                                            21 September 2010
tool for mining Wikipedia: default search results page groups Wikipedia snippets by category; Names icon:  result is a dynamic word cloud & list of frequently-occurring names(geographic, personal, company, etc) related to subject/keyword(s); Places icon displays map of the world with flags in areas significant in context; Events icon displays timeline of events culled from Wikipedia; News icon produces snippets from 20 or so recent stories in Yahoo News; Answers icon runs query in Yahoo Answers database, consumer-oriented results help identify most common consumer concerns; Concepts icon produces a dynamic word cloud & list of key words & phrases from relevant Wikipedia articles;

Yahoo! Desktop Search                                                                                                          2 November 2005
Comprehensive, user-friendly interface has tabs, options for viewing results include Name, Size, Filetype, Size & Path; Refine search; Preview pane; Save searches; Yahoo SearchMonkey open developer platform allows developers to build applications for Yahoo! search that enhance usefulness & relevance of results by building customized search results & mash-ups; 3 main components: Site owners share structured data with Yahoo! using semantic markup (microformats, RDF), standardized XML feeds, APIs (OpenSearch or other web services), & page extraction; 3rd party developers build SearchMonkey applications; Consumers customize their search experience; applications come in two flavors, Enhanced Results & Infobars, both enhance search results; Apps are triggered when search results include a specific URL. Enhanced results replace a normal search result & must include information only from the site referred to; Infobars appear directly below results & include links to other resources or user action; Yahoo Boss See BOSS;

Yahoo Instant Search   instant information without having to load results page                           23 September 2005
gas prices, currency conversion, area codes; type query, pop up gives you additional information & quick searching; address gives a map but telephone number doesn't; see also Google Suggest & LookAhead(Surfwax); 

Yahoo! Local Search To Excel                                                                                                3 April 2005
windows desktop application uses Yahoo! Local Search Web Services; enter search query, zipcode & radius; convert matching results in Excel(CSV) format & save file. Application is written in C++.NET

Yahoo! Mindset                                                                                                                      28 June 2005
Search results sorted as commercial or informational(academic, non-commercial, research-oriented sources); See also Collarity Relevance Engine; Yahoo Mindset disappears(9 May 2008);

Yahoo! Search Subscriptions                                                                                                   17 June 2005
search multiple online subscription content sources & Web from single search box

Yahoo! Shortcuts                                                                                                                     26 March 2007
including Patents - Information on any US Patent, search patent & any US patent number; open shortcuts for Yahoo! members: navigate to any URL, recall common searches on Yahoo!, search favorite sites, Jump start frequently used Internet applications;

Yahoo Site Explorer closes – try Blekko instead                                                                        21 November 2011
link & linkdomain commands will go although not specifically mentioned; Google’s link command gets very few results leaving Blekko as the only realistic alternative; track down linked pages using their slashtags ‘/links’ and ‘/domainlinks’ with a URL or domain name, eg http://www.rba.co.uk/sources/registers.htm /links will find pages that link to RBA company registers page whereas http://www.rba.co.uk/ /domainlinks finds all inbound links to rba.co.uk;

Yahoo's Video Search                                                                                                            24 December 2004
crawling technology uses mrss format in cooperation with commercial & non-commercial providers; advanced search to specify format(AVI, MPEG, Windows Media, Real, Quicktime), size(small, medium, large), length over/under 1 minute; limit to site; content filter

YourAmigo Enterprise Search                                                                                                 15 August 2003
multiple website searching(Intranets, extranets, websites); returns results as dynamically created pages;  searches PDF, MS Word, MS Excel, Postscript, etc.

YouSearched                                                                                                                          24 September 2004
designed for people with visual impairments with approval from RNIB & Bobby; large, bold typeface; 15 categories with 10-13 sites/page

Yummly: semantic recipe search for Bon Appetit, Gourmet & Self magazine recipes                13 September 2011
Filter by ingredient, diet, allergy, nutrition, price, cuisine, time, taste, course, holiday & source; sliding scale of flavor profiles(salty, sweet, sour, bitter); Scoville scale ranks heat of peppers from bell peppers to those hotter than habanero chilies & uses that data to rank recipes based on spicy ingredients, adding information not included in scale, such as mustard, wasabi & horseradish; recipe recommendations based on your tastes - without foods you hate;

Zoogma automated intelligence gathering & analysis platform                                                   19 July 2009
uses statistics & natural language processing(NLP) to find clues in unstructured text & make them searchable;

Zoominfo semantic search engine for people & companies                                                       14 June 2007
also has pivot searches(search on keywords & click on button for cross referenced info); finds pages about people & creates profiles/dossiers using an algorithm & open web content; cached on their servers;