| 统计分析法自动标引的改进研究 |
| |
| 引用本文： | 许剑颖.统计分析法自动标引的改进研究[J].现代图书情报技术,2004,20(2):92-95. |
| |
| 作者姓名： | 许剑颖 |
| |
| 作者单位： | 南京大学信息管理系,南京,210093 |
| |
| 摘 要： | 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。
|
| 关 键 词： | 自动标引 权值 词频调整 |
| 收稿时间： | 2003-05-13 |
| 修稿时间： | 2003年5月13日 |
The Study of Improvement in Automatic Indexing by Statistical Analysis |
| |
| Xu Jianying.The Study of Improvement in Automatic Indexing by Statistical Analysis[J].New Technology of Library and Information Service,2004,20(2):92-95. |
| |
| Authors: | Xu Jianying |
| |
| Institution: | (Department of Information Management,Nanjing University,Nanjing 210093,China) |
| |
| Abstract: | 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. |
| |
| Keywords: | Auomatic indexing Words weight Adjustment of words Frequency statistic |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《现代图书情报技术》浏览原始摘要信息 |
| 点击此处可从《现代图书情报技术》下载免费的PDF全文 |
