Enhancing Topic-to-Essay Generation with External Commonsense Knowledge Pengcheng Yang author Lei Li author Fuli Luo author Tianyu Liu author Xu Sun author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication yang-etal-2019-enhancing-topic 10.18653/v1/P19-1193 https://aclanthology.org/P19-1193/ 2019-07 2002 2012