XLP at SemEval-2020 Task 9: Cross-lingual Models with Focal Loss for Sentiment Analysis of Code-Mixing Language Yili Ma author Liang Zhao author Jie Hao author 2020-12 text Proceedings of the Fourteenth Workshop on Semantic Evaluation Aurelie Herbelot editor Xiaodan Zhu editor Alexis Palmer editor Nathan Schneider editor Jonathan May editor Ekaterina Shutova editor International Committee for Computational Linguistics Barcelona (online) conference publication ma-etal-2020-xlp 10.18653/v1/2020.semeval-1.126 https://aclanthology.org/2020.semeval-1.126/ 2020-12 975 980