LIIR at SemEval-2021 task 6: Detection of Persuasion Techniques In Texts and Images using CLIP features Erfan Ghadery author Damien Sileo author Marie-Francine Moens author 2021-08 text Proceedings of the 15th International Workshop on Semantic Evaluation (SemEval-2021) Alexis Palmer editor Nathan Schneider editor Natalie Schluter editor Guy Emerson editor Aurelie Herbelot editor Xiaodan Zhu editor Association for Computational Linguistics Online conference publication ghadery-etal-2021-liir 10.18653/v1/2021.semeval-1.139 https://aclanthology.org/2021.semeval-1.139/ 2021-08 1015 1019