NewsForge: Open Source Search Technology Goes Beyond Keywords

"For several years a group of academic researchers has been quietly working on a new kind of search engine--one that recognizes the semantic meaning of a query instead of only taking input as a keyword to be literally matched. The technology is licensed under the GPL, and a desktop version is imminent.

"In its simplest form, semantic indexing can recognize synonyms, or for example a search in an inventory database for 'fruit' could turn up documents listing 'apples' and 'oranges...'"

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