UCB: System Description for SemEval Task #4 Preslav Nakov author Marti Hearst 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 nakov-hearst-2007-ucb https://aclanthology.org/S07-1080/ 2007-06 366 369