Proactive Learning for Named Entity Recognition Maolin Li author Nhung Nguyen author Sophia Ananiadou author 2017-08 text BioNLP 2017 Kevin Bretonnel Cohen editor Dina Demner-Fushman editor Sophia Ananiadou editor Junichi Tsujii editor Association for Computational Linguistics Vancouver, Canada, conference publication li-etal-2017-proactive 10.18653/v1/W17-2314 https://aclanthology.org/W17-2314/ 2017-08 117 125