Semi-supervised Learning for Vietnamese Named Entity Recognition using Online Conditional Random Fields Quang Hong Pham author Minh-Le Nguyen author Binh Thanh Nguyen author Nguyen Viet Cuong author 2015-07 text Proceedings of the Fifth Named Entity Workshop Xiangyu Duan editor Rafael E Banchs editor Min Zhang editor Haizhou Li editor A Kumaran editor Association for Computational Linguistics Beijing, China conference publication pham-etal-2015-semi 10.18653/v1/W15-3907 https://aclanthology.org/W15-3907/ 2015-07 50 55