Efficient Tree-Based Topic Modeling Yuening Hu author Jordan Boyd-Graber author 2012-07 text Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Haizhou Li editor Chin-Yew Lin editor Miles Osborne editor Gary Geunbae Lee editor Jong C Park editor Association for Computational Linguistics Jeju Island, Korea conference publication hu-boyd-graber-2012-efficient https://aclanthology.org/P12-2054/ 2012-07 275 279