Collaborative Filtering Using Principal Component Analysis and Fuzzy Clustering. - Katsuhiro Honda; Nobukazu Sugiura; Hidetomo Ichihashi; Shoichi Araki (Web Intelligence, 2001)

Robust local principal component analyzer with fuzzy clustering. - Katsuhiro Honda; Nobukazu Sugiura; Hidetomo Ichihashi (IJCNN, 2003)