Similar title to
Heki, A., Endo, Y., & Miyamoto, S.
(2012).
Rough set based non metric model.
DOI:10.1109/SCIS-ISIS.2012.6505199.
In: Proceedings, 2012 Joint 6th International Conference on Soft Computing and Intelligent Systems (SCIS) and 13th International Symposium on Advanced Intelligence Systems (ISIS), 20-24 November 2012.