@inproceedings{wehnert-etal-2021-hotter-hierarchical, title = "{HOTTER}: {H}ierarchical Optimal Topic Transport with Explanatory Context Representations", author = {Wehnert, Sabine and Scheel, Christian and Szak{\'a}cs-Behling, Simona and Niel{\"a}nder, Maret and Mielke, Patrick and De Luca, Ernesto William}, editor = "Moens, Marie-Francine and Huang, Xuanjing and Specia, Lucia and Yih, Scott Wen-tau", booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2021", month = nov, year = "2021", address = "Punta Cana, Dominican Republic", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.findings-emnlp.418/", doi = "10.18653/v1/2021.findings-emnlp.418", pages = "4856--4866" }