Sentiment Analysis Dictionaries

Question

I was wondering if anybody knew where I could obtain dictionaries of positive and negative words. I\'m looking into sentiment analysis and this is a crucial part of it.

Answer 1

The Sentiment Lexicon, at the University of Pittsburgh might be what you are after. It's a lexicon of about 8,000 words with positive/neutral/negative sentiment. It's described in more detail in this paper and released under the GPL.

Answer 2

Professor Bing Liu provide an English Lexicon of about 6800 word, you can download form this link: Opinion Mining, Sentiment Analysis, and Opinion Spam Detection

Answer 3

The Harvard-IV dictionary directory http://www.wjh.harvard.edu/~inquirer/homecat.htm has at least two sets of ready-to-use dictionaries for positive/negative orientation.