Hierarchical text categorization using fuzzy relational thesaurus. - Domonkos Tikk; Jae Dong Yang; Sun Lee Bang (Kybernetika, 2003)

Automatic Document Categorization Based on k-NN and Object-Based Thesauri. - Sun Lee Bang; Hyung Jeong Yang; Jae Dong Yang (SPIRE, 2004)

Hierarchical document categorization with k-NN and concept-based thesauri. - Sun Lee Bang; Jae Dong Yang; Hyung Jeong Yang (Inf. Process. Manag., 2006)