Hierarchical Annotation for Building A Suite of Clinical Natural Language Processing Tasks: Progress Note Understanding Yanjun Gao author Dmitriy Dligach author Timothy Miller author Samuel Tesch author Ryan Laffin author Matthew M Churpek author Majid Afshar author 2022-06 text Proceedings of the Thirteenth Language Resources and Evaluation Conference Nicoletta Calzolari editor Frédéric Béchet editor Philippe Blache editor Khalid Choukri editor Christopher Cieri editor Thierry Declerck editor Sara Goggi editor Hitoshi Isahara editor Bente Maegaard editor Joseph Mariani editor Hélène Mazo editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association Marseille, France conference publication gao-etal-2022-hierarchical https://aclanthology.org/2022.lrec-1.587/ 2022-06 5484 5493