SemEval-2007 Task 15: TempEval Temporal Relation Identification Marc Verhagen author Robert Gaizauskas author Frank Schilder author Mark Hepple author Graham Katz author James Pustejovsky 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 verhagen-etal-2007-semeval https://aclanthology.org/S07-1014/ 2007-06 75 80