Determining the sentiment of opinions
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TL;DR
A system that, given a topic, automatically finds the people who hold opinions about that topic and the sentiment of each opinion and another module for determining word sentiment and another for combining sentiments within a sentence is presented.
Abstract
Identifying sentiments (the affective parts of opinions) is a challenging problem.We present a system that, given a topic, automatically finds the people who hold opinions about that topic and the sentiment of each opinion.The system contains a module for determining word sentiment and another for combining sentiments within a sentence.We experiment with various models of classifying and combining sentiment at word and sentence levels, with promising results.