SemEval-2015 Task 6: Clinical TempEval Steven Bethard author Leon Derczynski author Guergana Savova author James Pustejovsky author Marc Verhagen author 2015-06 text Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015) Preslav Nakov editor Torsten Zesch editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Denver, Colorado conference publication bethard-etal-2015-semeval 10.18653/v1/S15-2136 https://aclanthology.org/S15-2136/ 2015-06 806 814