统计分析法自动标引的改进研究

The Study of Improvement in Automatic Indexing by Statistical Analysis

统计分析法自动标引是自动标引的一种重要方法。本文从标引词应反映文献主题内容这一原则出发,对统计分析法自动标引从标引源的确定、权值的设计、词频的调整及检索后控词表的设计与维护等方面提出了一些改进设想。通过这些方法使标引词更好地反映文献主题的同时提高检索效率。

Automatic indexing by statistical analysis is an important method in automatic indexing. On the basis of the principle that indexing words should reflect the subject of the document,the author gives some advice on determination of the resource of indexing, design of the words weight, adjustment of the words frequency,design and maintenance of post- controlled thesaurus. By means of these measures,the document can be better reflected and the retrieval efficiency can be improved.