UNITOR: Combining Syntactic and Semantic Kernels for Twitter Sentiment Analysis Giuseppe Castellucci author Simone Filice author Danilo Croce author Roberto Basili author 2013-06 text Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013) Suresh Manandhar editor Deniz Yuret editor Association for Computational Linguistics Atlanta, Georgia, USA conference publication castellucci-etal-2013-unitor https://aclanthology.org/S13-2060/ 2013-06 369 374