On Rough Set Based Non Metric Model. - Yasunori Endo; Ayako Heki; Yukihiro Hamasuna (MDAI, 2012)

Rough set based non metric model. - Ayako Heki; Yasunori Endo; Sadaaki Miyamoto (SCIS&ISIS, 2012)

Non Metric Model Based on Rough Set Representation. - Yasunori Endo; Ayako Heki; Yukihiro Hamasuna (J. Adv. Comput. Intell. Intell. Informatics, 2013)