Hitachi at SemEval-2017 Task 12: System for temporal information extraction from clinical notes Sarath P R author Manikandan R author Yoshiki Niwa author 2017-08 text Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017) Steven Bethard editor Marine Carpuat editor Marianna Apidianaki editor Saif M Mohammad editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Vancouver, Canada conference publication p-r-etal-2017-hitachi 10.18653/v1/S17-2176 https://aclanthology.org/S17-2176/ 2017-08 1005 1009