http://www.nitroflare.com/view/A59FD13C30C704B/vfunq.Sentiment.Analysis.Mining.Opinions.Sentiments.and.Emotions..Bing.Liu.azw3
http://www.nitroflare.com/view/12EF6665817DA22/vfunq.Sentiment.Analysis.Mining.Opinions.Sentiments.and.Emotions..Bing.Liu.epub