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基于本体和相似度的信息检索 被引量:1

Information Retrieval Based on Ontology and Similarity
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摘要 介绍本体的基本概念,论述本体的形式化表示和信息源表示,以及影响术语相似度的3个因素(距离,深度和密度),并在阐述如何计算术语相似度的基础上,描述基于本体和相似度检索过程。 In this paper the basic concept of ontology is introduced and description logic (DL) is used to express ontology. Furthermore, an information source model is brought forward and three factors, such as distance, depth and density are given, whieh influence conceptual similarities. At last, the retrieval process is discussed based on ontology, and similarity.
出处 《图书情报工作》 CSSCI 北大核心 2005年第2期61-63,共3页 Library and Information Service
基金 国家自然科学基金(项目编号 70271038)
关键词 本体 相似度 信息检索 ontology similarity information retrieval
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参考文献9

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二级参考文献12

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