An extraction method of product feature keywords from press releases using syntactic dependency analysis with an expression phrase

被引：0
|
作者：
Samejima, Masaki [1 ,2 ,3 ]
Shimizu, Yutaka [1 ,3 ]
Akiyoshi, Masanori [1 ,3 ]
Komoda, Norihisa [1 ,3 ]
机构：
[1] Osaka University, Graduate School of Information Science and Technology, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan
[2] Hitachi, Ltd., System Development Laboratory, 292 Yoshida-cho, Yokohama, Kanagawa 244-0817, Japan
[3] Osaka University, Japan
来源：
IEEJ Transactions on Electronics, Information and Systems | 2007年 / 127卷 / 09期
关键词：
Industrial economics - Social aspects - Syntactics;
D O I：
10.1541/ieejeiss.127.1436
中图分类号：
学科分类号：
摘要：
We propose an extraction method of product features from press releases of companies for competitor analysis. In press releases of companies, product features are described with characteristic expressions (we call description patterns). From this view point, when a description pattern is input, our system extracts features included in the pattern. Additionally, in order to extract more product features by less input patterns, our system generates similar patterns of input patterns as derivation patterns automatically and extracts product features using derivation patterns. Through application to the press releases of ten companies, it is confirmed that the accuracy of the extracted features are sufficient.
引用
收藏
页码：1436 / 1441
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