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 2011-06 Association for Computational Linguistics Portland, Oregon text conference publication ws-2011-approaches https://aclanthology.org/W11-1700/