Supervised Model Learning with Feature Grouping based on a Discrete Constraint Jun Suzuki author Masaaki Nagata author 2013-08 text Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Hinrich Schuetze editor Pascale Fung editor Massimo Poesio editor Association for Computational Linguistics Sofia, Bulgaria conference publication suzuki-nagata-2013-supervised https://aclanthology.org/P13-2004/ 2013-08 18 23