| 我国图书馆书目数据库的数据特征分析与检索方式扩展研究 |
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| 引用本文： | 詹萌.我国图书馆书目数据库的数据特征分析与检索方式扩展研究[J].图书情报工作,2006,50(7):68-72. |
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| 作者姓名： | 詹萌 |
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| 作者单位： | 武汉大学图书馆 |
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| 摘 要： | 从分析当前书目数据库的特征入手，依次对题名、主题、分类号等项目的数据质量和标引特征进行分析，得出在现有的书目数据质量情况下，几乎没有一条提高查全率和查准率的综合性检索途径的结论。针对现状，指出提高书目数据库检索效果和检索精度的必要性，并对如何提高检索质量的问题进行研究，研究内容包括检索语言兼容性和检索方法的扩展性，并为提高书目数据检索的综合质量、增加书目检索系统的开放性探索提供方案。
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| 关 键 词： | 书目数据库 数据特征 检索方式扩展 |
| 收稿时间： | 2006-01-12 |
| 修稿时间： | 2006-01-122006-03-09 |
Data Feature Analyses of Bibliographic Database and the Research of Retrieval Mode Extending at Chinese Libraries |
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| Zhan Meng.Data Feature Analyses of Bibliographic Database and the Research of Retrieval Mode Extending at Chinese Libraries[J].Library and Information Service,2006,50(7):68-72. |
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| Authors: | Zhan Meng |
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| Institution: | Wuhan University Library, Wuhan 430072 |
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| Abstract: | This paper analyzes the features of bibliographic databases in China, including the data quality and indexing characteristics of the title, subject and classification number, etc. Then it draws a conclusion that no effective search ways have been found at present that will improve both recall ratio and precision ratio according to the current data quality. In addition, this paper also shows the significance of promoting the retrieval result and efficiency of the bibliographic databases, and makes some research on the compatibility of retrieval language and the retrieval mode extending. Furthermore, the paper puts forward a feasibility plan to improve the retrieval quality of bibliographic data and the opening of the bibliographic retrieval system. |
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| Keywords: | bibliographic database data feature retrieval mode extending |
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