发明名称 INFORMATION THEORY BASED RESULT MERGING FOR SEARCHING HIERARCHICAL ENTITIES ACROSS HETEROGENEOUS DATA SOURCES
摘要 A method, system, and computer program product are disclosed for merging search results. In one embodiment, the method comprises identifying a query, splitting the query into sub-queries, and calculating information content for each of the sub-queries. This method also comprises executing each of the sub-queries to obtain a plurality of search results, and combining the search results based on the information content calculated for the sub-queries. In an embodiment, the execution of each of the sub-queries includes identifying a multitude of search results for at least one of the sub-queries; and the combining includes grouping said multitude of search results into a plurality of clusters, and computing a relevance score for each of said clusters. In the embodiment the combining further includes merging the clusters based on the relevance scores computed for the clusters as well as the information content calculated for the sub-queries.
申请公布号 US2011082859(A1) 申请公布日期 2011.04.07
申请号 US20090575210 申请日期 2009.10.07
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 DENG YU;DEVARAKONDA MURTHY V.;HOSN RAFAH A.;MAHINDRU RUCHI;RAJAMANI NITHYA;SARKAR SOUMITRA
分类号 G06F17/30 主分类号 G06F17/30
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