What do you mean by Sentiment Analysis?

 Posted by Niladri.Biswas on 5/6/2013 | Category: Others Interview questions | Views: 1319 | Points: 40

Sentiment analysis or opinion mining is a natural language processing or information extraction tasks that helps extract pro or anti opinions or feelings expressed by a writer in a document collection. In general, the goal of the sentiment analysis is to obtain
the writers outlook about several topics or overall contextual polarity contained in a document.
The sentiments in sentiment analysis can be obtained at document level by classifying the polarity of the expressed opinion in the text of a document, at the sentence or entity feature level to find out if the opinion expressed is positive, negative or neutral.

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