Unsupervised Domain Adaptation for Joint Segmentation and POS-Tagging Yang Liu author Yue Zhang author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication liu-zhang-2012-unsupervised https://aclanthology.org/C12-2073/ 2012-12 745 754