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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。
Starting with the analysis of the characteristics of the current bibliographic database, we analyzed the data quality and indexing features of the titles, topics, classification numbers and other items one by one, and concluded that under the existing bibliographic data quality, Accuracy of the comprehensive search results conclusions. In view of the status quo, this paper points out the necessity of improving the retrieval efficiency and retrieval precision of bibliographic database, and studies how to improve the retrieval quality. The research contents include the compatibility of retrieval languages and the scalability of retrieval methods. In order to improve the comprehensive quality of bibliographic data retrieval , To increase the open search of bibliographic retrieval system to provide programs.