Topic Extraction from Microblog Posts Using Conversation Structures Jing Li author Ming Liao author Wei Gao author Yulan He author Kam-Fai Wong author 2016-08 text Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Katrin Erk editor Noah A Smith editor Association for Computational Linguistics Berlin, Germany conference publication li-etal-2016-topic 10.18653/v1/P16-1199 https://aclanthology.org/P16-1199/ 2016-08 2114 2123