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Sentiment Analysis and Opinion Mining by Bing Liu

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CHAPTER 6

Sentiment Lexicon Generation

By now, it should be quite clear that words and phrases that convey positive or negative sentiments are instrumental for sentiment analysis. This chapter discusses how to compile such words lists. In the research literature, sentiment words are also called opinion words, polar words, or opinion-bearing words. Positive sentiment words are used to express some desired states or qualities while negative sentiment words are used to express some undesired states or qualities. Examples of positive sentiment words are beautiful, wonderful, and amazing. Examples of negative sentiment words are bad, awful, and poor. Apart from individual words, there are also sentiment phrases and idioms, e.g., cost someone an ...

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