Google News is reporting that IBM is about to give away a concept-based search engine for unstructured data:
link
This piece explains the concept
Search concepts, not keywords, IBM tells business
Mon Aug 8, 2005 12:02 AM EDT
By Eric Auchard
NEW YORK (Reuters) – IBM plans to give away key search technologies for corporate data retrieval that use concepts and facts instead of simpler “keyword” searches relied upon by consumer Web companies such as Google Inc., the world’s largest computer company said on Monday.
While simple but powerful keyword searches have revolutionized how Internet users locate and retrieve . . . [more]