@inproceedings{downey-etal-2015-efficient, title = "Efficient Methods for Inferring Large Sparse Topic Hierarchies", author = "Downey, Doug and Bhagavatula, Chandra and Yang, Yi", editor = "Zong, Chengqing and Strube, Michael", booktitle = "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)", month = jul, year = "2015", address = "Beijing, China", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P15-1075/", doi = "10.3115/v1/P15-1075", pages = "774--784" }