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The query/document topic category transition analysis system and method and the query expansion based information retrieval system and method
The query/document topic category transition analysis system and method and the query expansion based information retrieval system and method
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机译:查询/文档主题类别转换分析系统和方法以及基于查询扩展的信息检索系统和方法
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摘要
PURPOSE: A query/document topic category transition analyzing system and a method thereof, and a query expansion based information search system and a method thereof are provided to predict a document topic category suitable for a topic category related to an information search keyword to expand a user query, thereby searching a document to which a transition of user's interest is reflected.;CONSTITUTION: A topic category classifier(11) classifies a query topic category for an input query. A fitness decision document collection database(12) stores query/document text information. A topic category transition map database(13) stores a topic category transition map. A virtual document group database per a topic category(14) stores a virtual document group per a topic category. A search engine(18) provides documents of a search result to a service server(17) based on a representative keyword ranking order.;COPYRIGHT KIPO 2011
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