中文全文标引的主题词标引和主题概念标引方法

Methods of Keyword and Subject Concept Indexing to Chinese Full-text

中文全文标引正在越来越受到重视。本文主要研究了三个方面的问题 ,首先是全文主题词标引的加权问题 ,综合考虑了五个方面的因素 ;其次是介绍了一种用层次概念词典改进主题词标引质量的新方法 ;最后又提出了用三种不同的方法产生主题概念进行全文标引的的主题概念标引。受限范围内的实验结果显示本文的方法有一定的理论和实用价值。

Research on full\|text automatic indexing is a hotspot of today.This paper's research focuses on three points.Firstly,it discusses the method of keyword weighting,which taking altogether five factors into account;Then it introduces a new way to improve the precision of indexing by using a hierachical concept thesaurus;Finally,it presents three different techniques to produce subject concept,thus to implement concept indexing.The limited\|area experiment shows that the methods introduced in this paper have both academic and practical value.