I. Beltagy, K. Lo, and A. Cohan. Proceedings of the 2019 Conference on Empirical Methods in Natural
Language Processing and the 9th International Joint Conference on
Natural Language Processing, EMNLP-IJCNLP 2019, Hong Kong, China,
November 3-7, 2019, page 3613--3618. Association for Computational Linguistics, (2019)
J. Devlin, M. Chang, K. Lee, and K. Toutanova. Proceedings of the 2019 Conference of the North American Chapter of
the Association for Computational Linguistics: Human Language Technologies,
NAACL-HLT 2019, Minneapolis, MN, USA, June 2-7, 2019, Volume 1 (Long
and Short Papers), page 4171--4186. Association for Computational Linguistics, (2019)
Y. Dong, N. Chawla, and A. Swami. Proceedings of the 23rd ACM SIGKDD International Conference on
Knowledge Discovery and Data Mining, Halifax, NS, Canada, August 13
- 17, 2017, page 135--144. ACM, (2017)