A new approach to data envelopment analysis and its application to industries in Japanese prefectures. - Koki Kyo; Hideo Noda (SCIS&ISIS, 2014)

Marginal Model Synthesization Algorithm for Data Envelopment Analysis and its Application. - Koki Kyo; Hideo Noda (J. Adv. Comput. Intell. Intell. Informatics, 2015)

A Method for Big Data Analysis of the impact of Economic and Social Events on Japanese Stock Prices. - Koki Kyo (ICBDE, 2018)

Big Data Analysis of the Dynamic Effects of Business Cycles on Stock Prices in Japan. - Koki Kyo (I-SPAN, 2018)