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Academic & Professional Directories
· Academic Info - gateway to college and research level Internet resources maintained by former librarian Mike Madin and a volunteer group of subject specialists
· The Best Information on the Net (BIOTN) - collection of academic resources maintained at St. Ambrose University in Iowa
· BUBL Link - UK funded project of selective resources from the University of Strathclyde Library in Glasgow, Scotland
· INFOMINE - large collection of scholarly Internet resources collectively maintained by several libraries, including those from the University of California
· The Internet Public Library - large, selective collection from the University of Michigan
· Librarians' Index to the Internet - carefully chosen, organized, and annotated directory maintained by a large group of librarians in California
· Subject Guides A to Z - extensive collection of subject pages from the University of Delaware Library
· The WWW Virtual Library - highly respected guides to many disciplines sponsored by the W3 Consortium
Commercial Directories & Portals
· About - large collection of topical collections gathered by company-certified subject specialists
· Google Web Directory - version of the Open Directory Project using the Google link ranking technology; Google search results are also included with directory results
· LookSmart - large collection of links to reviewed sites in thousands of categories
· Open Directory Project - significant resource collection compiled by thousands of volunteer editors owned by America Online and promising extensive expansion.
· Search Beat - large, selective directory organized into numerous subtopics with a friendly approach
· WebBrain - Java-based visual search engine of the Open Directory Project index; interface allows users to click through an animated display of categories to locate Web sites. Currently in beta, and requires a fast Internet connection.
· Web Search - well-organized, annotated collection of Web sites organized by topic and maintained by Chris Sherman of The Mining Co.
· Yahoo! - portal with one of the largest directories on the Internet but lacks reliable site evaluation, so deficient content is mixed in with the good; not an appropriate site for academic research; offers news, stock quotes, maps, free e-mail and many other services Sites that collect links to portals (and search engines) may be found under Search Engine Collections.
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Individual Search Engines
· Accumo - organizes a small number of results from Google into concept clusters; also offers the fee-based Accumo Classifier software for desktop use
· Alexa Web Search - returns results powered by Google with additional information including traffic ranking, number of links to page, ownership and links to related pages of interest
· AllTheWeb - returns results quickly from an extremely large database gathered by the Yahoo crawler; offers multimedia and news searches; has a good advanced search interface
· AltaVista - searches Web sites and Usenet newsgroups with advanced Boolean and field search options. See also:
o Babel Fish, the AltaVista translation service.
· AOL Search - engine that defaults to AND logic and offers an Options template for easy search construction; has an option to view results by popularity; offers a directory based on the Open Directory
· Ask.com - general search engine enhanced by a number of specialty searches including a dictionary, thesaurus, currency converter, encyclopedia, maps, news and more (Site is a merging of the former search engines Ask Jeeves and Teoma)
· BananaSlug - uses the Google search mechanism and seeds your search with a random word from the category of your choice to return unusual results
· Brainboost - ask questions in plain English and retrieve pages with the relevant answer
· Exalead - offers concept clustering of results, thumbnail images of retrieved sites, and customization options such as organization of results by file type, geography or modification date
· Factbites - beta engine that searches for full topic matches and returns meaningful, full sentence excerpts of sites in its results list
· Google - ranks pages by tracking the links links from pages ranked high by the service. Google offers a number of Services that are worth exploring, including:
o Google Blog Search, for searching blog entries
o Google Book Search, for searching the full text of books from most publishers in the U.S.
o Google Directory, for searching the Google version of the Open Directory
o Google Scholar, offers the full text, abstracts, and/or citations to scholarly materials including books, journal articles, documents in academic repositories and the free Web. This link will allow you to access the full text of articles in journals to which the Libraries subscribe when you are off campus.
o Google Search: Unclesam, a searchable database of U.S. government Web sites (.gov and .mil) ranked by link popularity
· HotBot - offers easy form-based Boolean, field, and media search options; includes its channel content with the results for searches on broad or popular terms; clusters results by presenting one hit per site
· Lycos - general search engine that also offers searches of a few deep Web content sources including people look-up, yellow pages and multimedia
· MSN Search - Microsoft's search engine that offers searches of the general Web as well as some deep Web sources; includes a Search Builder that includes an option to retrieve results based on recent updates, popularity and exact or approximate match. This tool will eventually be replaced by Windows Live Search.
· RLIN AMC database - the RLIN Archival and Manuscripts Control database
· SearchEdu.com - service that limits results to the .edu, domain; also offers to search well-known dictionaries, encyclopedias, almanacs, etc. See also:
o SearchGov.com - .gov domain
o SearchMil.com - .mil domain
· Thunderstone Website Index - search thousands of sites (vs. Web pages) from a continuously updated database
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Meta Search Engines
· AllinOne MetaSearch - search multiple search engines simultaneously and retrieve results organized into concept clusters
· Clusty - tool from the creators of Vivisimo that clusters results from a variety of surface and deep Web sources and organizes them into clusters by topic, site or URL; also offers a variety of customization options
· Copernic - client software that searches multiple engines and directories, removes duplicates and dead links, highlights search terms in your results, and offers a variety of search and retrieval options
· Dogpile - search 20+ search engines and retrieve results by relevance or separate source engine; also presents concept clusters for viewing results organized by keywords or topics
· Ixquick - ranks results based on top ten rankings from the source sites; allows any type of search syntax and will translate and direct your search accordingly
· Mamma - retrieve results in relevancy ranked order; power search offers a user-friendly template for building a query
· MetaCrawler - retrieve results in relevancy ranked order; useful power search available with a template of search options
· Pandia Search Central - searches multiple engines and directories and also offers searches of news, books, music, videos and other specialty databases; includes a searchable version of the Open Directory
· SurfWax - offers options to see a quick view of sites in the search results list to determine relevancy and choose alternative search terms for a subsequent search from a thesaurus; offers personalization options; offers SurfWax LookAhead with "Dynamic Search Navigation" that retrieves results from RSS feeds as you type various kinds of queries
· Turbo10 - retrieves results from multiple sources, including the deep Web, and offers sorting by speed and relevance; also offers concept clusters to organize results into keywords and subtopics
· Virtual Learning Resources Center - searches several high quality directories; also offers its own directory
· Vivisimo - searches multiple engines and directories and organizes results into topical categories
· Yooci - metasearch tool that retrieves no more than 250 results for any search
· ZapMeta - organizes results by relevance, popularity, title, source or domain, allows users to set preferences, and features a useful advanced search interface
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Specialty Search Engines
Domain Names
· Checkdomain.com - search for the availability of a domain name in nearly every country of the world
· Clickey - search for words contained in a domain name, or keywords contained in a brief record, with options to limit searches to a country, state and city
New Page Tracking
· Google Alert - free e-mail alert service to save a search and have it run regularly against new pages on Google
· Karnak - searches hundreds of Web sites, stores the results online, and e-mails you notification of the results; premium fee-based service tracks additional queries and offers customization options
· TracerLock - saves your search query and tracks AltaVista for pages matching your search terms; the first ten results are sent to you in an e-mail
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Open Directory Project DMOZ
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http://DMOZ.org/health/ is one of the best comperehensive directory for Health and Medical sites
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