Fuzzy Multiset Space and c-Means Clustering Using Kernles with Applications to Information Retrieval. - Sadaaki Miyamoto; Kiyotaka Mizutani (IFSA, 2003)

Fuzzy Multiset Model for Information Retrieval and Clustering Using a Kernel Function. - Kiyotaka Mizutani; Sadaaki Miyamoto (ISMIS, 2003)

Fuzzy Multiset Model and Methods of Nonlinear Document Clustering for Information Retrieval. - Sadaaki Miyamoto; Kiyotaka Mizutani (MDAI, 2004)

Kernel-Based Fuzzy Competitive Learning Clustering. - Kiyotaka Mizutani; Sadaaki Miyamoto (FUZZ-IEEE, 2005)

Possibilistic Approach to Kernel-Based Fuzzy c-Means Clustering with Entropy Regularization. - Kiyotaka Mizutani; Sadaaki Miyamoto (MDAI, 2005)

Algorithms of nonlinear document clustering based on fuzzy multiset model. - Kiyotaka Mizutani; Ryo Inokuchi; Sadaaki Miyamoto (Int. J. Intell. Syst., 2008)