文献主题检索中导词的运用

The Use of Guided Words in Document Subject Retrieval

论述导词在文献主题检索中的作用及其使用方法，探讨在文献主题检索中如何运用导词提高查全率、查准率。

Abstract The contents include:the concept of guided words and their roles,how to select guided words and the use of them in document subject retrieval.