An information retrieval system allows a user to search a database of informational items for a desired informational item, and presents the search result in the form of matching index entries in the order of relevance. The information retrieval system in accordance with the principles of the present...http://www.google.es/patents/US6434550?utm_source=gb-gplus-sharePatente US6434550 - Temporal updates of relevancy rating of retrieved information in an information search system
Temporal updates of relevancy rating of retrieved information in an ...
