PUBLIC MARKS with tag boolean

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.

Meta search engine with boolean and URL search, lets you share and save favorites

Meta search engine with boolean and URL search, lets you share and save favorites

Full text meatsearch engine for the web, webcams, mp3, midi files, mp3 ftp... Has boolean search support.

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.