Enhancing Quality of Corpus Annotation: Construction of the Multi-Layer Corpus Annotation and Simplified Validation of the Corpus Annotation Youngbin Noh author Kuntae Kim author Minho Lee author Cheolhun Heo author Yongbin Jeong author Yoosung Jeong author Younggyun Hahm author Taehwan Oh author Hyonsu Choe author Seokwon Park author Jin-Dong Kim author Key-Sun Choi author 2020-10 text Proceedings of the 34th Pacific Asia Conference on Language, Information and Computation Minh Le Nguyen editor Mai Chi Luong editor Sanghoun Song editor Association for Computational Linguistics Hanoi, Vietnam conference publication noh-etal-2020-enhancing https://aclanthology.org/2020.paclic-1.25/ 2020-10 216 224