Volume 9 Number 11 (Nov. 2014)
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JSW 2014 Vol.9(11): 2877-2885 ISSN: 1796-217X
doi: 10.4304/jsw.9.11.2877-2885

A Study of Dependency Features for Chinese Sentiment Classification

Pu Zhang1, 2, Zhongshi He1, Lina Tao3
1College of Computer Science, Chongqing University, Chongqing ,China
2College of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing ,China
3Chongqing Communications Research and Design Institute Co.,Ltd. ,China Merchants,Chongqing, China


Abstract—Syntactic dependency features, which encode long-range dependency relations and word order information, have been employed in sentiment classification. However, much of the research has been done in English, and researches conducted on exploring how features based on syntactic dependency relations can be utilized in Chinese sentiment classification are very rare. In this study, we present an empirical study of syntactic dependency features for Chinese sentiment classification. First, we consider two types of feature sets (word unigrams and word-dependency relations), three commonly-used feature weighting schemes (term presence, term frequency, and TF-IDF), and two wellknown learning methods (Naive Bayes and SVM) to evaluate the performance of different classifiers. Then, we use ensemble technique to combine different types of features and classification algorithms. Specifically, two types of ensemble methods, namely average combination method and meta-learning combination method, are evaluated for two ensemble strategies. Through a wide range of comparative experiments conducted on two widely-used datasets in Chinese sentiment classification, finally, some indepth discussion is presented and conclusions are drawn about the effectiveness of dependency features for Chinese sentiment classification.

Index Terms—sentiment analysis, sentiment classification, dependency features, ensemble learning

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Cite: Pu Zhang, Zhongshi He, Lina Tao, "A Study of Dependency Features for Chinese Sentiment Classification," Journal of Software vol. 9, no. 11, pp. 2877-2885, 2014.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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