SemEval-2007 Task 14: Affective Text Carlo Strapparava author Rada Mihalcea author 2007-06 text Proceedings of the Fourth International Workshop on Semantic Evaluations (SemEval-2007) Eneko Agirre editor Lluís Màrquez editor Richard Wicentowski editor Association for Computational Linguistics Prague, Czech Republic conference publication strapparava-mihalcea-2007-semeval https://aclanthology.org/S07-1013/ 2007-06 70 74