Reviews Discovery and Opinions Extraction Based on Segment and Entropy
Xiaohong Chen · Jisuanji yingyong yanjiu · 2007
This paper puts forward a kind of novel algorithm——REA(Review Extract Algorithm).REA iteratively segements page and calculates the information entropy to automatically discover and extract the reviews.Page-segement technology effectively eliminates the noise information.The block-entropy calculation locates every user's comments accurately.The result of experiment proves that the algorithm has higher rate of recall and precision.