Rumor Detection by Exploiting User Credibility Information, Attention and Multi-task Learning Quanzhi Li author Qiong Zhang author Luo Si author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication li-etal-2019-rumor-detection 10.18653/v1/P19-1113 https://aclanthology.org/P19-1113/ 2019-07 1173 1179