CASIA OpenIR  > 模式识别国家重点实验室  > 自然语言处理
张志琳; 宗成庆
Source Publication中文信息学报
AbstractMicro blog,a new information—sharing platform,is now playing an important role in people’S daily live with the rise of Web 2.0.And micro blog sentiment analysis research also attracts more attention in recent years. This paper provides an in—depth analysis on the difference of feature representation and feature selection between the traditional sentiment classification and micro blog sentiment analysis.To avoid the drawbacks of feat ure selection of existing methods,we propose three simple but effective approaches for feature representation and selection,inclu— ding the lexicalization hashtag feature,the sentiment word feature,and the probabilistic sentiment lexicon feature. Experimental results show that our proposed methods significantly boost the micro blog sentiment classification ac— curacy from 73.1 7%tO 84.1 7%,outperforming the state—of—the-art method significantly
Keyword中文微博 情感分类 机器学习 特征选择
Document Type期刊论文
Recommended Citation
GB/T 7714
张志琳,宗成庆. 基于多样化特征的中文微博情感分类方法研究[J]. 中文信息学报,2015,29(7):134-143.
APA 张志琳,&宗成庆.(2015).基于多样化特征的中文微博情感分类方法研究.中文信息学报,29(7),134-143.
MLA 张志琳,et al."基于多样化特征的中文微博情感分类方法研究".中文信息学报 29.7(2015):134-143.
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