• Clusty the Clustering Engine
  metasearch engine, Clusty submits your query to a number of sources simultaneously--often including our own Vivísimo Velocity search engine, using our own crawls of Wikipedia, the New York Times, the Associated Press, and other special sources. By taking the average rank of each result from a number of search engines, Clusty provides a more reliable search that is immune to the quirks and vulnerabilities of one algorithm or another. This helps drop link spam lower in our results, and raise good results higher in the list. And by clustering your results, Clusty makes it easier for you to find the information you're looking for.
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• Fazzle.com -- A Fazzinating Feature Rich Search Fest!
  Meta search engine with boolean and URL search, lets you share and save favorites
  Critically acclaimed as one of the World's best search engines. Multi-lingual, Invisible Web, US, Canadian, UK, French, and Dutch regional searches.
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• Metasearch Engine Ithaki: All the Search Engines in one click!
  Full text meatsearch engine for the web, webcams, mp3, midi files, mp3 ftp... Has boolean search support.
  Intelligent search technology to find web pages from hundreds of search engines and directories worldwide. Allows advanced search commands. Wireless version available.
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  in Public bookmarks with boolean engine meta music search webcam by 4 users
• Rockwell Schrock's Boolean Machine
  The Boolean Machine is a tool for visualizing the effects of Boolean operators on keyword searches. It was created to teach the importance of Boolean operators in effective search strategies.
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