To Schedule or not to Schedule: Extracting Task Specific Temporal Entities and Associated Negation Constraints Barun Patra author Chala Fufa author Pamela Bhattacharya author Charles Lee author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication patra-etal-2020-schedule 10.18653/v1/2020.emnlp-main.678 https://aclanthology.org/2020.emnlp-main.678/ 2020-11 8445 8455