A Feature Extraction Method Using Base Phrase and keyword In Chinese Text
The feature extraction is the most key technologyof text categorization.The word is used as the feature in the traditional text classification,and its effect forthe text classification is evidence.The featureextraction method using base phrase and keywordchanges the feature extraction of Chinese text fromsyntax and semantic further.In the first,analyzing thefeature of baseNP and basedVP,and then make somewords into baseNP and baseVP which accord to therules of phrase,give WSD to other words in the finally.The paper proposes a stepwise feature extraction fromword to phrase.The experiment results show that thismethod can perform much better than traditionalfeature extraction method it can improve the textclassification precision and recall.
Xin-fu LI lei-lei ZHAO li-hong WU
College of Mathematics and Computer Science,Hebei University,Baoding,071002,Hebei,China;Key Lab of Machine Learning and Computation Intelligence of Hebei Province
国际会议
厦门
英文
680-684
2008-11-17(万方平台首次上网日期,不代表论文的发表时间)