SSD-LM: Semi-autoregressive Simplex-based Diffusion Language Model for Text Generation and Modular Control Xiaochuang Han author Sachin Kumar author Yulia Tsvetkov author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication han-etal-2023-ssd 10.18653/v1/2023.acl-long.647 https://aclanthology.org/2023.acl-long.647/ 2023-07 11575 11596