USFD: Preliminary Exploration of Features and Classifiers for the TempEval-2007 Task Mark Hepple author Andrea Setzer author Robert Gaizauskas 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 hepple-etal-2007-usfd https://aclanthology.org/S07-1098/ 2007-06 438 441