@inproceedings{dong-etal-2021-semi, title = "A Semi-supervised Multi-task Learning Approach to Classify Customer Contact Intents", author = "Dong, Li and Spencer, Matthew C. and Biagi, Amir", editor = "Malmasi, Shervin and Kallumadi, Surya and Ueffing, Nicola and Rokhlenko, Oleg and Agichtein, Eugene and Guy, Ido", booktitle = "Proceedings of the 4th Workshop on e-Commerce and NLP", month = aug, year = "2021", address = "Online", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2021.ecnlp-1.7/", doi = "10.18653/v1/2021.ecnlp-1.7", pages = "49--57" }