Abstract：This paper studies on the ambiguous collocations with the perspevtive to sentiment analysis, which are of substantial importance for text sentiment analysis. We use Association Rule to determine whether word pairs are collocations, cut off the unnecessary ones by PMI, and then resolve the collocation ambiguity. As a result, we build an ambiguous collocations dictionary, which is adopted in the sentencesentiment analysis . Experiments on the COAE2008 corpus show that ambiguous collocations are essential in the sentiment analysis, and it significantly influences the accuracy of sentiment analysis. Key wordsambiguous collocations;association rule;orientation;affective computing
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2012, Vol. 26 
