发明名称 METHOD AND SYSTEM FOR IMPROVED QUERY EXPANSION IN FACETED SEARCH
摘要 A method and system for improved query expansion in faceted search are provided. The method includes: receiving a search query; expanding the search query to obtain query expansion terms; and receiving a facet selection for the search query. A facet profile is retrieved in the form of collected important terms for the facet; and the query expansion terms are weighted by comparing them to the facet profile. The query expansion terms are re-ranked and the method includes executing the re-weighted query expansion terms whilst filtering for the facet.
申请公布号 US2011125764(A1) 申请公布日期 2011.05.26
申请号 US20090626642 申请日期 2009.11.26
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 CARMEL DAVID;HAR'EL NADAV;ROITMAN HAGGAI
分类号 G06F17/30 主分类号 G06F17/30
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