An interval type-2 fuzzy perceptron. - Frank Chung-Hoon Rhee; Cheul Hwang (FUZZ-IEEE, 2002)

An interval type-2 fuzzy K-nearest neighbor. - Frank Chung-Hoon Rhee; Cheul Hwang (FUZZ-IEEE, 2003)

An interval type-2 fuzzy C spherical shells algorithm. - Cheul Hwang; Frank Chung-Hoon Rhee (FUZZ-IEEE, 2004)

Clustering and aggregation of relational data with applications to image database categorization. - Hichem Frigui; Cheul Hwang (IMSA, 2006)

Adaptive Concept Learning through Clustering and Aggregation of Relational Data. - Hichem Frigui; Cheul Hwang (SDM, 2007)

Clustering and aggregation of relational data with applications to image database categorization. - Hichem Frigui; Cheul Hwang; Frank Chung-Hoon Rhee (Pattern Recognit., 2007)

Uncertain Fuzzy Clustering: Interval Type-2 Fuzzy Approach to $C$-Means. - Cheul Hwang; Frank Chung-Hoon Rhee (IEEE Trans. Fuzzy Syst., 2007)

Semi-supervised Clustering and Aggregation of Relational Data. - Hichem Frigui; Cheul Hwang (ISCC, 2008)

Fuzzy Clustering and Aggregation of Relational Data With Instance-Level Constraints. - Hichem Frigui; Cheul Hwang (IEEE Trans. Fuzzy Syst., 2008)