4Bruce R, Wiebe J. Recognizing subjectivity: a case study in manual tagging [ J ]. Natural Language Enginneering, 1999,5 ( 2 ) : 1-16.
5Tumey P D, Littman M L. Measuring praise and criticism: inference semantic orientation from association[J]. ACM Transaction on Information Systems, 2003, 21 ( 4 ) : 315-346.
6Kennedy A, Inkpen D. Sentiment classification of movie reviews using contextual valence shifters [ J ]. Computational Intelligence, 2006,22 ( 2 ) : 110-125.
7申杰.WEB舆情观点挖掘关键技术研究[D].四川:电子科技大学,2009.
8Lee J, Lee J N. Understanding the product information inference process in electronic word-of-mouth: An objectivity-subjectivity dichotomy perspective [J]. Infur-mation & Management,2009,46 ( 5 ) : 302-311.
9Clemons E K, Gao G, Hitt L M. When Online Reviews Meet Hyperdifferentiation: A Study of the Craft Beer Industry [ J ]. Journal of Management Information Systems, 2006,23 ( 2 ) : 149-171.
10Lee J, Park D H, Han I. The effect of negative online consumer reviews on product attitude: An information processing view[ J ]. Electronic Commerce Research and Applications ,2008,7 ( 3 ) : 341-352.
