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Most previous studies on opinion mining have focused on sentiment classification and opinion extraction, little research has been done on mining the underlying reasons for opinions. In this paper, we propose a novel weakly-supervised semantic pattern matching method to explanatory segment extraction in Chinese product reviews. To this end, we first exploit chi-squares to compute lexical explanatoryness...
The constitutive role is one of qualia roles, this paper presents an approach for the automatic acquisition of constitutive role for Chinese nouns. In our methods, we get the shortest dependency path as a constitutive role extraction pattern, and calculate the credibility of each pattern. Then according to the co-occurrence information of nouns, we will mine the (Error! Reference source not found...
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