Sentiment Analysis and Opinion Mining
Does anyone know whether there already exist some publicly available libraries / classifiers, which can be used to determine the sentiment (positive, negative, neutral) of a text passed to them? The task is not exactly simple, but it would be a great tool for all kind of web services.
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Here is an interesting interview on the topic: http://social.textanalyticsnews.com/news/%E2%80%9C-challenge...
And this is a presentation on the topic: http://www.cs.uic.edu/~liub/FBS/liub-sentiment-analysis.ppt
And this is a presentation on the topic: http://www.cs.uic.edu/~liub/FBS/liub-sentiment-analysis.ppt