TIGS: An Inference Algorithm for Text Infilling with Gradient Search Dayiheng Liu author Jie Fu author Pengfei Liu author Jiancheng Lv 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 liu-etal-2019-tigs 10.18653/v1/P19-1406 https://aclanthology.org/P19-1406/ 2019-07 4146 4156