Deep Active Learning for Sequence Labeling Based on Diversity and Uncertainty in Gradient Yekyung Kim author 2020-12 text Proceedings of the 2nd Workshop on Life-long Learning for Spoken Language Systems William M Campbell editor Alex Waibel editor Dilek Hakkani-Tur editor Timothy J Hazen editor Kevin Kilgour editor Eunah Cho editor Varun Kumar editor Hadrien Glaude editor Association for Computational Linguistics Suzhou, China conference publication kim-2020-deep 10.18653/v1/2020.lifelongnlp-1.1 https://aclanthology.org/2020.lifelongnlp-1.1/ 2020-12 1 8