Functional Elements and POS Categories Qiuye Zhao author Mitch Marcus author 2011-11 text Proceedings of 5th International Joint Conference on Natural Language Processing Haifeng Wang editor David Yarowsky editor Asian Federation of Natural Language Processing Chiang Mai, Thailand conference publication zhao-marcus-2011-functional https://aclanthology.org/I11-1134/ 2011-11 1198 1206