Search - Keyword - Top of the Web

Find information on the World Wide Web by keyword queries; Web sites that locate documents based on keyword matches; many of these sites have expanded to searching images, news, maps, blogs, weather, and reference sources such as encyclopedias and dictionaries; some of these Web sites contain or are associated with subject-oriented search directories

• Google: keyword and multi-service search; clean interface and fast operation; many specialized search services including patents or scholarly papers and citations; detailed advanced search form; "Lucky" button takes you directly to the first matching Web page; direct links to advanced searching include: Google Scholar, Google Blog Search, Google Book Search; also Google is working on searchmash for searching a variety of sources--Web sites, images, blogs, videos, Wikipedia; all products have a very clean, usable interface
• Yahoo: keyword and multi-service search; includes Answers cooperative search community; other specialized searches include Creative Commons content; Yahoo itself originated in ancient times (pre-1994) as a subject tree of information
• Clusty: metasearch engine; queries multiple search engines and combines the results to clusters; retrieves results from Ask, Open Directory, Gigablast and others
• Quintura: visual word clusters; query produces a cloud of words plus a listing of matching Web pages; hover over words in cloud to get associated words; click on words in cloud to refine search; search Web, images, video, blinkx, amazon; takes some practice to use well
• Pandia Power: all-in-one search form and directory; list of search engines and directories; form search; categories to find the best Internet search tools; useful for specialized and advanced search

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