Heterogeneous Supervised Topic Models Dhanya Sridhar author Hal Daumé III author David Blei author 2022 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal sridhar-etal-2022-heterogeneous 10.1162/tacl_a_00487 https://aclanthology.org/2022.tacl-1.42/ 2022 10 732 745