Online Active Learning for Cost Sensitive Domain Adaptation Min Xiao author Yuhong Guo author 2013-08 text Proceedings of the Seventeenth Conference on Computational Natural Language Learning Julia Hockenmaier editor Sebastian Riedel editor Association for Computational Linguistics Sofia, Bulgaria conference publication xiao-guo-2013-online https://aclanthology.org/W13-3501/ 2013-08 1 9