Corporate News Classification and Valence Prediction: A Supervised Approach Syed Aqueel Haider author Rishabh Mehrotra author 2011-06 text Proceedings of the 2nd Workshop on Computational Approaches to Subjectivity and Sentiment Analysis (WASSA 2.011) Alexandra Balahur editor Ester Boldrini editor Andres Montoyo editor Patricio Martinez-Barco editor Association for Computational Linguistics Portland, Oregon conference publication haider-mehrotra-2011-corporate https://aclanthology.org/W11-1723/ 2011-06 175 181