Bidirectional LSTM-CRF for Clinical Concept Extraction Raghavendra Chalapathy author Ehsan Zare Borzeshi author Massimo Piccardi author 2016-12 text Proceedings of the Clinical Natural Language Processing Workshop (ClinicalNLP) Anna Rumshisky editor Kirk Roberts editor Steven Bethard editor Tristan Naumann editor The COLING 2016 Organizing Committee Osaka, Japan conference publication chalapathy-etal-2016-bidirectional https://aclanthology.org/W16-4202/ 2016-12 7 12