Enhancing Lexicon-Based Review Classification by Merging and Revising Sentiment Dictionaries Heeryon Cho author Jong-Seok Lee author Songkuk Kim author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication cho-etal-2013-enhancing https://aclanthology.org/I13-1053/ 2013-10 463 470