CLaC and CLaC-NB: Knowledge-based and corpus-based approaches to sentiment tagging Alina Andreevskaia author Sabine Bergler 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 andreevskaia-bergler-2007-clac https://aclanthology.org/S07-1022/ 2007-06 117 120