Learning Stock Market Sentiment Lexicon and Sentiment-Oriented Word Vector from StockTwits Quanzhi Li author Sameena Shah author 2017-08 text Proceedings of the 21st Conference on Computational Natural Language Learning (CoNLL 2017) Roger Levy editor Lucia Specia editor Association for Computational Linguistics Vancouver, Canada conference publication li-shah-2017-learning 10.18653/v1/K17-1031 https://aclanthology.org/K17-1031/ 2017-08 301 310