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本体论在基于内容信息检索中的应用 被引量:65

Application of Ontology in Content-based Information Retrieval
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摘要 网络信息的激增和多样化给有效的信息检索带来了种种困难,目前的检索工具仅提供了基于关键字的检索,而忽视了关键字本身所含的语义内容。该文提出的信息检索原型系统,利用本体论中概念规范、语义丰富的特点,将用户的检索要求扩充成语义集。并且将检索到的文档通过文档分析器进一步过滤,使用户最终得到与检索要求内容匹配度较高的文档。 s The rapid growth and diversities of Web information bring a lot of difficulties to the efficient information-retrieval. The current information retrieval tools just offer
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出处 《计算机工程》 CAS CSCD 北大核心 2003年第4期122-123,152,共3页 Computer Engineering
关键词 本体论 信息检索 计算机网络 搜索引擎 INTERNET INTRANET 网络文档 based searching, but ignore the semantic content of the keywords itself. The authors' information-retrieval system takes full advantage of ontology, which expands the requirement of users to the semantic words set and provides the document anal
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