RESEARCH ON THE WEB INFORMATION RETRIEVAL MODEL BASED ON METADATA AND QUERY EXPANSION
This paper uses metadata technology in the field of information retrieval, and a WEB information retrieval model based on metadata and query expansion is designed. In the model the method of metadata design, metadata extraction, metadata storage and query expansion are expatiated. The experiment result shows that the method based on metadata and query expansion can improve the web information retrieval efficiency and precision, and it is a practical approach for the task of web text information retrieval.
WEB information metadata Chinese lezical analysis regular ezpression XML query ezpansion
Changxia Hu Xiaoxing Liu Weiying Jin
Department of Computer and Information Engineering, Shijiazhuang Railway Institute, Shijiazhuang Department of Foreign Languages, Shijiazhuang Railway Institute, Shijiazhuang
国际会议
北京
英文
384-388
2009-11-06(万方平台首次上网日期,不代表论文的发表时间)