Markdown (Informal)
[Efficient Methods for Inferring Large Sparse Topic Hierarchies](https://aclanthology.org/P15-1075) (Downey et al., ACL-IJCNLP 2015)
ACL
- Doug Downey, Chandra Bhagavatula, and Yi Yang. 2015. Efficient Methods for Inferring Large Sparse Topic Hierarchies. In 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), pages 774–784, Beijing, China. Association for Computational Linguistics.