@inproceedings{zhang-etal-2021-crowdsourcing, title = "Crowdsourcing Learning as Domain Adaptation: {A} Case Study on Named Entity Recognition", author = "Zhang, Xin and Xu, Guangwei and Sun, Yueheng and Zhang, Meishan and Xie, Pengjun", editor = "Zong, Chengqing and Xia, Fei and Li, Wenjie and Navigli, Roberto", booktitle = "Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers)", month = aug, year = "2021", address = "Online", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2021.acl-long.432/", doi = "10.18653/v1/2021.acl-long.432", pages = "5558--5570" }