郝志峰,杜慎芝, 蔡瑞初,温 雯. 基于全局变量CRFs模型的微博情感对象识别方法[J]. 中文信息学报, 2015, 29(4): 50-58.
HAO Zhifeng, DU Shenzhi, CAI Ruichu, WEN Wen. Sentiment Target Extraction Based on CRFs Global Variables for Chinese Micro-blog. , 2015, 29(4): 50-58.
基于全局变量CRFs模型的微博情感对象识别方法
郝志峰,杜慎芝, 蔡瑞初,温 雯
广东工业大学 计算机学院，广东 广州 510006
Sentiment Target Extraction Based on CRFs Global Variables for Chinese Micro-blog
HAO Zhifeng, DU Shenzhi, CAI Ruichu, WEN Wen
Department of Computers, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
Abstract：Owing to informal words and expressions widely used in micro-blogs, target recognition for the sentiment analysis of microblogs is difficult, especially when the targets are not clearly mentioned. An improved conditional random fields model is proposed to deal with this issue, treating sentiment target extraction as a sequence-labeling problem. Through adding global nodes, the contextual information, syntactic rules and opinion lexicon are considered in the targets extraction. The major contribution of this method is that it can be applied to the texts in which the targets are mentioned in the sequence. Experimental results on the Sina microblog data demonstrate that this method outperforms the state-of-art methods.
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2015, Vol. 29 
