中文检索系统中查询的扩展

Extending Requirement in Chinese Document Searching System

本文基于向量空间模型 ,提出了根据类别体系的层次结构 ,将特征项进行层次存储利用特征项所表示的概念范畴的不同 ,对用户原始查询做进一步的扩展 .文中详细介绍了用户查询扩展的方法 ,给出了查找某一特征项的下两层子特征项的算法 .

In this article ,we propose a classification method according to the hierarchical structure of topics. Because of the different category of the concept, we could extend the original requirement to understand the users meaning correctly. lnthpaper, we introduce of a method of extending the users requirement and give a program to search low _level terms in a tree of the terms.