We have a paper accepted at the NAACL 2019.
Sho Takase and Naoaki Okazaki. Positional Encoding to Control Output Sequence Length. In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers), pages 3999–4004, Minneapolis, Minnesota, June 2019. (doi: 10.18653/v1/N19-1401)