CRST: a Claim Retrieval System in Twitter Wenjia Ma author WenHan Chao author Zhunchen Luo author Xin Jiang author 2018-08 text Proceedings of the 27th International Conference on Computational Linguistics: System Demonstrations Dongyan Zhao editor Association for Computational Linguistics Santa Fe, New Mexico conference publication ma-etal-2018-crst https://aclanthology.org/C18-2010/ 2018-08 43 47