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A two-channel model for representation learning in Vietnamese sentiment classification problem

The main goal of SC is to classify user reviews in a document into opinion poles, such as positive, negative, and possibly neutral sentiments. There are two popular approaches for SC: The lexicon-based approach and the machine learning-based approach. The lexiconbased approach is usually based on a dictionary of negative and positive sentiment values assigned to words. This method thus depends on human effort to define a list of sentiment words and sometimes it suffers from low coverage. |