Multi-Source Multi-Class Fake News Detection Hamid Karimi author Proteek Roy author Sari Saba-Sadiya author Jiliang Tang author 2018-08 text Proceedings of the 27th International Conference on Computational Linguistics Emily M Bender editor Leon Derczynski editor Pierre Isabelle editor Association for Computational Linguistics Santa Fe, New Mexico, USA conference publication karimi-etal-2018-multi https://aclanthology.org/C18-1131/ 2018-08 1546 1557