A new algorithm for a multi-item periodic review inventory system. - Katsuhisa Ohno; Tomonori Ishigaki; Toshiaki Yoshii (Math. Methods Oper. Res., 1994)

A multi-item continuous review inventory system with compound Poisson demands. - Katsuhisa Ohno; Tomonori Ishigaki (Math. Methods Oper. Res., 2001)

An Enhanced Practical Program on Data Mining Education. - Hiroyuki Morita; Masashi Kondo; Tomonori Ishigaki; Nagateru Araki; Yuji Nakayama (CSEDU (2), 2010)