Z. Yang, D. Yang, C. Dyer, X. He, A. Smola, и E. Hovy. Proceedings of the 2016 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, стр. 1480--1489. San Diego, California, Association for Computational Linguistics, (июня 2016)
Y. Kim, K. Stratos, и D. Kim. Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), стр. 643--653. Vancouver, Canada, Association for Computational Linguistics, (июля 2017)