Study on Lexicon Construction for Query Expansion in Natural Language Document Retrieval

摘要：

　　Query expansion is an important step in document retrieval for high retrieval precision and recall rate.For better query expansion performance, on basis of a technology term ontology, a lexicon construction solution is studied by automatic extraction of synonyms, near synonyms and related concepts from relation table mapping.

关键词： natural language query expansion ontology relation base

作者: Hongmei Chen Siyong Xiong Jianmin Yao

作者单位: Industrial Promotion Department Suzhou Sci-Tech Service Center Suzhou, China

会议类型: 国际会议

会议名称: 第8届科技信息资源共享促进国际会议(8th International Conference on Cooperation and Promotion of Information Resourses in Science and Technology(COINFO2013))

会议地点: 武汉

会议语种:英文

页码: 383-386

在线出版日期: 2013-10-25（万方平台首次上网日期，不代表论文的发表时间）