| 庞弘燊,徐文贤.近年来国外信息检索的相关性研究进展[J].中国图书馆学报,2009,35(4): |
| 近年来国外信息检索的相关性研究进展 |
| Research Progress on Relevance for Information Retrieval aboard in Recent Years |
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| DOI： |
| 中文关键词: 信息检索,相关性,国外 |
| 英文关键词: Information retrieval,Relevance,Abroad |
| 基金项目: |
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| 摘要点击次数: 5155 |
| 全文下载次数: 5587 |
| 中文摘要: |
| 国外的相关性研究至今已有上百年的历史，出现了两个主要的研究流派，即面向系统的相关性研究和面向用户的相关性研究，相关性是动态的、多维的、可认知的和可测度的等观点，已成为学术界的共识。1997年之后的相关性研究在基础研究和实证研究方面都有很大进展。信息检索的相关性研究已经深入到信息检索的各个领域，如模型、算法、聚类、查询扩展与精化、相关性判断等。随着相关性研究的不断深入发展，信息检索系统将会越来越贴近用户的信息需求。图1。表2。参考文献20。 |
| 英文摘要: |
| This paper reviews the history of the relevance research for information retrieval abroad which appears two orientations, as the relevance research on system and the relevance research on users. It has become the consensus of the academic community that relevance is dynamic, multidimensional, perceptible and measurable. There is a great development of basic and practical research on relevance after 1997. The relevance research has penetrated into all areas of information retrieval, such as models, algorithms, clustering, query expansion, refinement and the relevance judgments. With the development of relevance research, information retrieval system will meet users needs closely. 1 fig. 2 tabs. 20 refs. |
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