Prta: A System to Support the Analysis of Propaganda Techniques in the News Giovanni Da San Martino author Shaden Shaar author Yifan Zhang author Seunghak Yu author Alberto Barrón-Cedeño author Preslav Nakov author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: System Demonstrations Asli Celikyilmaz editor Tsung-Hsien Wen editor Association for Computational Linguistics Online conference publication da-san-martino-etal-2020-prta 10.18653/v1/2020.acl-demos.32 https://aclanthology.org/2020.acl-demos.32/ 2020-07 287 293