Sakura: Large-scale Incorrect Example Retrieval System for Learners of Japanese as a Second Language Mio Arai author Tomonori Kodaira author Mamoru Komachi author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: System Demonstrations Marta R Costa-jussà editor Enrique Alfonseca editor Association for Computational Linguistics Florence, Italy conference publication arai-etal-2019-sakura 10.18653/v1/P19-3001 https://aclanthology.org/P19-3001/ 2019-07 1 6