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;
; Both files (negative- and positive-words.txt) and the papers can all be downloaded from
;    http://www.cs.uic.edu/~liub/FBS/sentiment-analysis.html
;
; If you use this list, please cite the following paper:
;
;   Minqing Hu and Bing Liu. "Mining and Summarizing Customer Reviews."
;       Proceedings of the ACM SIGKDD International Conference on Knowledge
;       Discovery and Data Mining (KDD-2004), Aug 22-25, 2004, Seattle,
;       Washington, USA,
; Notes:
;    1. The appearance of an opinion word in a sentence does not necessarily
;       mean that the sentence expresses a positive or negative opinion.
;       See the paper below:
;
;       Bing Liu. "Sentiment Analysis and Subjectivity." An chapter in
;          Handbook of Natural Language Processing, Second Edition,
;          (editors: N. Indurkhya and F. J. Damerau), 2010.
;
;    2. You will notice many misspelled words in the list. They are not
;       mistakes. They are included as these misspelled words appear
;       frequently in social media content.
;
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