Topic Modeling based Sentiment Analysis on Social Media for Stock Market Prediction Thien Hai Nguyen author Kiyoaki Shirai author 2015-07 text Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Michael Strube editor Association for Computational Linguistics Beijing, China conference publication nguyen-shirai-2015-topic 10.3115/v1/P15-1131 https://aclanthology.org/P15-1131/ 2015-07 1354 1364