A. Bosselut, H. Rashkin, M. Sap, C. Malaviya, A. Celikyilmaz, and Y. Choi. Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics, page 4762--4779. Florence, Italy, Association for Computational Linguistics, (July 2019)
N. Du, M. Wang, L. Tran, G. Lee, and I. Shafran. Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP), page 4980--4991. Hong Kong, China, Association for Computational Linguistics, (November 2019)
Z. Zhang, X. Han, Z. Liu, X. Jiang, M. Sun, and Q. Liu. Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics, page 1441--1451. Florence, Italy, Association for Computational Linguistics, (July 2019)