Sentiment analysis on Italian tweets Valerio Basile author Malvina Nissim author 2013-06 text Proceedings of the 4th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis Alexandra Balahur editor Erik van der Goot editor Andres Montoyo editor Association for Computational Linguistics Atlanta, Georgia conference publication basile-nissim-2013-sentiment https://aclanthology.org/W13-1614/ 2013-06 100 107