sentiment analysis , feature selection

Question

I want to know what are the appropriate tools for each step to analyse sentiment : removing stopwords, stemming, Vector Representation of Text, feature selection, classification, how to pass from Vector Representation of Text to feature selection , is there any step to follow and an examlpe which describe those steps

Answer 1

You can take a look at Bing Liu's tutorial on sentiment analysis here, and Pang & Lee's survey here. They cover the different aspects of sentiment analysis and common approaches.