Annotating Temporal Information in Clinical Notes for Timeline Reconstruction: Towards the Definition of Calendar Expressions Natalia Viani author Hegler Tissot author Ariane Bernardino author Sumithra Velupillai author 2019-08 text Proceedings of the 18th BioNLP Workshop and Shared Task Dina Demner-Fushman editor Kevin Bretonnel Cohen editor Sophia Ananiadou editor Junichi Tsujii editor Association for Computational Linguistics Florence, Italy conference publication viani-etal-2019-annotating 10.18653/v1/W19-5021 https://aclanthology.org/W19-5021/ 2019-08 201 210