Improvement and Application of TF-IDF Algorithm in Text Orientation Analysis

被引：0
|
作者：
Wang, Wei [1 ]
Tang, Yongxin [1 ]
机构：
[1] Hebei Univ Engn, Sch Informat & Elect Engn, Handan City, Hebei Province, Peoples R China
来源：
PROCEEDINGS OF THE 2016 INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS SCIENCE AND ENVIRONMENTAL ENGINEERING | 2016年 / 52卷
关键词：
selection of keyword; TF-IDF; VSM; position weight; network public opinion orientation;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, on the basis of traditional TF-IDF algorithm, new and improved method is proposed. By adding the position weight coefficient and weight coefficients of word class, it can calculate the words which rely on high term frequency evenly. Experimental results showed that, the improved algorithm on the precision and recall rate are good, and it makes the selection of key collection reflect the document content orientation better.
引用
收藏
页码：230 / 233
页数：4
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