Databases and E-Resources at the Library of Congress

Web Search Tools


A9.com
General-purpose search engine from Amazon that also includes "Search Inside the Book" results.

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Academic Index
MetaSearch tool that generates results from research-quality reference and information sources selected by the education community.

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Accoona
Accoona is a search engine with interactive tools that provides users with web, business and news results; powered by proprietary Artificial Intelligence technology.

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AlltheWeb
Searches over 2 billion fully indexed webpages along with news, pictures, videos, mp3 files, and ftp files.

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AltaVista
AltaVista's search tabs, located on top of the search box, allows you to search in the following areas: Web, Images, MP3/Audio, Video, Directory or News.

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Answers.com
Contains over a million topics, covering people, places, words and names, drawn from atlases, dictionaries, encyclopedias, websites, etc.

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Asian Studies Search Engines
These search engines specialise in scholarly information related to online research, teaching and publishing about Asia and related regions and topics.

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Ask.com
Ask uses a natural language search engine that responds to questions, phrases, or single words.

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Beaucoup
Search over a dozen search engines at one time, or click on one of the subject links from the main page to find specialized search tools and databases on specific topics.

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Bielefeld Academic Search Engine
BASE focuses on scholarly information on the web (digitised collections, institutional repositories, pre-print-servers, electronic journals, etc), and can be searched by a basic search using a single search field and by an advanced search with multiple search fields and more sophisticated search options.

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BiologyBrowser
Browse for information in the life sciences by geography, organisms, and subject.

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BizSeer
BizSeer catalogs and indexes academic business documents.

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Blinkx
Video search engine allowing users to find online news, movie trailers, and popular multimedia segments from BBC News, CNN, Comedy Channel, YouTube, History Channel, NYTimes, etc.

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Business Seek
Businesseek provides a comprehensive small business directory on the Internet, a business search engine, news, stock quotes, advice, and much more.

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ChunkIt
Search engine that refines results from other search engines and databases, and displays chunks of text surrounding the key words.

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ClickZ
ClickZ provides users with statistics and Web marketing information.

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ClipBlast
ClipBlast, a video search engine, crawls the web in search of video, then categorizes video files, web pages, and feeds so that the most relevant clips can be served up in real-time, on demand.

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Clusty
Clusty, owned and operated by Vivísimo, uses a Clustering Engine to narrow and organize search results into folders grouping similar items together.

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Cuil
Web search engine that ranks pages based on their content and relevance (web site states it is the "World's Biggest Search Engine".

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CyberStacks
CyberStacks is a centralized, integrated, and unified collection of significant Internet resources categorized using the Library of Congress classification scheme.

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Ditto
Ditto is a visual search engine allowing users to navigate the Web through pictures.

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DMOZ Open Directory Project
Comprehensive human-edited directory of the Web.

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Dogpile
Dogpile uses innovative metasearch technology to search the Internet's top search engines, including Google, Yahoo, AltaVista, Ask Jeeves, About, FAST, FindWhat, LookSmart, and many more.

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Echo
Catalogues, annotates, and reviews sites on the history of science, technology, and industry.

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eMolecules
Formerly Chmoogle, eMolecules is an open-access chemistry search engine designed to discover, curate, and index public chemical information.

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EULER - Portal to Mathematics Publications
Search engine for locating and retrieving materials relating to mathematics available on the internet.

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Exalead
Web search engine that allows users to find material by language, country, file format, domain or site, and modification date.

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Fealth
A health search engine allowing users to browse and search health topics, limit to Government health sites, and browse daily health statistics.

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FindArticles
LookSmart's FindArticles allows users to search and read over 2 million articles from over 500 publications.

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Freesearch
UK based web search destination which includes a separate Picture Search and an Online Dictionary.

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Geniusfind
Directory of thousands of search engines, databases, and archives organized into categories and subcategories.

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Gigablast
Gigablast allows users to undertake sophisticated queries that are not supported in most other search engines.

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GlobalSpec
The Engineering Web limits searching to technical and engineering-related Web sites.

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Google
Provides comprehensive coverage of the web.

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Google Book Search
View the entirety of public domain books or, for books under copyright, just a few pages or in some cases, only the title’s bibliographic data and brief snippets.

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Google Maps
Google Maps allows users in the United States to find location information, navigate through maps, and get directions.

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Google Scholar
Enables users to search specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research.

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Google U.S. Government Search
Offers a single location for searching across government information, and for keeping up to date on government news.

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Grokker
Generates visual maps of search results with related topics and categories.

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HealthVault
Searches for healthcare articles and health information on the Web.

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HotBot
HotBot contains advanced web filters that allows users to select language, domain, and word limits.

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IncyWincy
This invisible web search engine quickly locates technical reports and other gray literature.

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Info.com
From one search query, info com provides results from 14 search engines and pay-per-click directories, including Google, AltaVista, Looksmart, Fast, Overture, Inktomi, Yahoo! and Ask Jeeves.

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Infomine
Cooperatively built virtual library of both free and subscription academic and scholarly internet resources.

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Intute
Search for open access resources with original content in a wide range of subject areas.

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KartOO
Kartoo is a meta search engine which presents its results on a map.

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Knol
Knol is a Google service that allows users to discover, write about, collaborate and share knowledge and information.

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Lalisio Literature
Provides access to more than 6 million bibliographic records for books, journal articles, and open access resources.

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Librarians' Index to the Internet
A directory of about 10,000 sites, but search results are considered to be of the highest quality.

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Libreka
Über die libreka!-Plattform werden Buchinhalte dann als Volltexte im Internet weltweit recherchierbar.

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LookSmart
A large human-compiled directory of web sites.

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Lycos
Similar coverage as AllTheWeb but with a few additional features that provide guidance for further linking.

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Metacrawler
MetaCrawler works by querying Google, Yahoo!, Search, MSN Search, Ask Jeeves, About, MIVA, LookSmart, and others and then organizing and displaying the results into a uniform format.

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My Search
My Search returns simultaneous search results from Google, AltaVista, Ask Jeeves, AlltheWeb, and LookSmart.

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PerX : Engineering Repository Cross Search
Subject-based cross-repository search tool for resource discovery in engineering.

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Picsearch
Picsearch is a search engine for pictures and images.

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Podscope
Allow you to search podcasts and other types of multimedia for spoken words within any audio or video file.

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SCIRUS
Scirus searches over 150 million science-specific Web pages, enabling users to find Scientific, Technical and Medical data on the Web, see the latest reports, peer-reviewed articles and journals, and locate university sites and scientists' home pages.

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SearchMash
SearchMash sorts the results into web pages, images, blogs, videos, and Wikipedia entries, all on one screen.

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SearchMe
A web search engine that finds and categorizes results as you type in your terms.

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Superpages
Provides access to United States and Canadian listings of people, government offices, and businesses.

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Technorati
A real-time search engine that tracks weblogs.

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ubExact
ubExact organizes and categorizes web content into actions: See It (reference), Do It (entertain), Shop It (buy), and Find It (navigate).

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VADLO
Vadlo search engine caters to all branches of life sciences.

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VADS
VADS is the online search engine for visual arts with a portfolio of over 100,000 images that are freely available and copyright cleared for use in teaching, learning and research in the UK.

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VideoSurf
Indexed from thousands of videos found across the web, VideoSurf allows users to visually navigate through their results to easily find the specific scenes, people or moments they most want to see.

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WordIQ
A comprehensive and searchable reference tool for the web offering search results from a diverse array of dictionaries, encyclopedies, thesauri, and other valuable references.

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World Wide Science : Global Science Gateway
Searches an array of databases found in over a dozen science portals with only one query.

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Yahoo!
Originally just a subject directory, it now is a search engine, directory, and portal.

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