Improving Classification of Medical Assertions in Clinical Notes Youngjun Kim author Ellen Riloff author Stéphane Meystre author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication kim-etal-2011-improving https://aclanthology.org/P11-2054/ 2011-06 311 316