Towards more variation in text generation: Developing and evaluating variation models for choice of referential form Thiago Castro Ferreira author Emiel Krahmer author Sander Wubben author 2016-08 text Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Katrin Erk editor Noah A Smith editor Association for Computational Linguistics Berlin, Germany conference publication castro-ferreira-etal-2016-towards 10.18653/v1/P16-1054 https://aclanthology.org/P16-1054/ 2016-08 568 577