1. Japan Foundation . 2018. Survey report on Japanese-language education abroad 2018 . https://www.jpf.go.jp/j/project/japanese/survey/result/survey18.html. Japan Foundation. 2018. Survey report on Japanese-language education abroad 2018. https://www.jpf.go.jp/j/project/japanese/survey/result/survey18.html.
2. Japanese sentence pattern learning with the use of illustrative examples extracted from the web
3. Jun Liu and Yuji Matsumoto . 2017 . Sentence Complexity Estimation for Chinese-speaking Learners of Japanese . In Proceedings of the 31st Pacific Asia Conference on Language, Information and Computation (PACLIC 31) , 296–302. Jun Liu and Yuji Matsumoto. 2017. Sentence Complexity Estimation for Chinese-speaking Learners of Japanese. In Proceedings of the 31st Pacific Asia Conference on Language, Information and Computation (PACLIC 31), 296–302.
4. Development of a computer-assisted Japanese functional expression learning system for Chinese-speaking learners
5. Design and Construction of a Knowledge Database for Learning Japanese Grammar Using Natural Language Processing and Machine Learning Techniques