Predicting Annotation Difficulty to Improve Task Routing and Model Performance for Biomedical Information Extraction Yinfei Yang author Oshin Agarwal author Chris Tar author Byron C Wallace author Ani Nenkova author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication yang-etal-2019-predicting 10.18653/v1/N19-1150 https://aclanthology.org/N19-1150/ 2019-06 1471 1480