A METHOD AND APPARATUS FOR PRECISION IMPROVEMENT BASED ON CORE QUERY CLUSTERS AND TERM PROXIMITY

摘要

PURPOSE: An accuracy rate improving method and an apparatus thereof are provided to accurately search for a document by checking desired information on a top page. CONSTITUTION: A document clustering module(110) clusters a document according to the combination of queries. A core cluster selecting module(120) selects a core query from a query keyword combination cluster. A document re-ranking module(130) selects the query keyword from document within the core cluster. The document re-ranking module re-ranks the documents of the core cluster.