US9390143B2
patent
A computer-implemented method for processing query infor mation includes receiving prior queries followed by a current query, the prior and current queries being received within an activity period an originating with a search requester. The method also includes receiving a plurality of search results based on the current query. Each search result identifying a search result document, each respective search result docu ment being associated with a query specific score indicating a relevance of the document to the current query. The method also includes determining a first category based, at least in part, on the prior queries. The method also includes identify ing a plurality of prior activity periods of other search request ers, each prior activity period containing a prior activity query where the prior activity query matches the current query, and where the prior activity period indicates the same first cat egory.
15 claims. 95,001 characters of text.