Patent ID: 9146967
Filing Date: 2015-09-29
Classification: G06F

Abstract:
1. A method of processing a query in a multi-stage query processing system having one or more processors and memory storing one or more programs for execution by the one or more processors to perform the method comprising: performing a first stage processing of a query, including: performing a second stage processing of the query, including: reading the first and second set of relevancy scores from the memory, and generating an ordered list of documents for further processing based on the first and second set of relevancy scores; automatically generating additional query terms from the documents in the ordered list of documents; formulating a new query using the additional query terms; processing the new query to retrieve a second set of document identifiers from the index and to generate a third set of relevancy scores based at least in part on the additional query terms; and using the third set of relevancy scores to select a set of top documents for presentation to the user.