Proceedings of the 4th Workshop on Computational Approaches to Code Switching Thamar Solorio editor Monojit Choudhury editor Kalika Bali editor Sunayana Sitaram editor Amitava Das editor Mona Diab editor 2020-05 European Language Resources Association Marseille, France text conference publication 979-10-95546-66-5 calcs-2020-approaches https://aclanthology.org/2020.calcs-1.0/