OMEGA : A probabilistic approach to referring expression generation in a virtual environment Maurice Langner author 2020-12 text Proceedings of the 13th International Conference on Natural Language Generation Brian Davis editor Yvette Graham editor John Kelleher editor Yaji Sripada editor Association for Computational Linguistics Dublin, Ireland conference publication langner-2020-omega 10.18653/v1/2020.inlg-1.36 https://aclanthology.org/2020.inlg-1.36/ 2020-12 296 305