This paper proposes a technique for improving performance using word senses and user feedback in web information retrieval, compared with the retrieval based on ambiguous user query and index. Disambiguation using query word senses can eliminating the irrelevant pages from the search result. According to semantic categories of nouns which are used as index for retrieval, we build the word sense knowledge-base and categorize the web pages. It can improve the precision of retrieval system with

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... r feedback deciding the query sense and information seeking behavior to pages. 키워드: 정보검색, 질의어, 의미 중의성, 사용자 피드백 search engine, query word sense, ambiguity, user feedback