Joint English Spelling Error Correction and POS Tagging for Language Learners Writing Keisuke Sakaguchi author Tomoya Mizumoto author Mamoru Komachi author Yuji Matsumoto author 2012-12 text Proceedings of COLING 2012 Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication sakaguchi-etal-2012-joint https://aclanthology.org/C12-1144/ 2012-12 2357 2374