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n this paper, we propose a holistic lexicon-based approach to solving the problem by exploiting external evidences and linguistic conventions of natural language expressions. This approach allows the system to handle opinion words that are context dependent, which cause major difficulties for existing algorithms. It also deals with many special words, phrases and language constructs which have impacts on opinions based on their linguistic patterns. It also has an effective function for aggregating multiple conflicting opinion words in a sentence. A system, called Opinion Observer, based on the proposed technique has been implemented.
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- kou9982014-02-28不错!没数据库下不来的可以下这个
- 74520c_f2014-09-23很不错,下载方便,Opinion Mining是个很热的方向
babyfox1001
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