c Chapter Basile, Pierpaolo | Novielli, Nicole UNIBA at EVALITA 2014-SENTIPOLC Task Predicting tweet sentiment polarity combining micro-blogging, lexicon and semantic features PDF 2014 - Pisa University Press Is part of Proceedings of the First Italian Conference on Computational Linguistics CLiC-it 2014 & and of the Fourth International Workshop EVALITA 2014 : 9-11 December 2014, Pisa