Annotating named entities in clinical text by combining pre-annotation and active learning Maria Skeppstedt author 2013-08 text 51st Annual Meeting of the Association for Computational Linguistics Proceedings of the Student Research Workshop Anik Dey editor Sebastian Krause editor Ivelina Nikolova editor Eva Vecchi editor Steven Bethard editor Preslav I Nakov editor Feiyu Xu editor Association for Computational Linguistics Sofia, Bulgaria conference publication skeppstedt-2013-annotating https://aclanthology.org/P13-3011/ 2013-08 74 80