On Learning of Sunspot Classification. - Trung Thanh Nguyen 003; Claire P. Willis; Derek J. Paddon; Hung Son Nguyen (Intelligent Information Systems, 2004)

Rough Set Approach to Sunspot Classification Problem. - Sinh Hoa Nguyen; Trung Thanh Nguyen 003; Hung Son Nguyen (RSFDGrC (2), 2005)

Ontology Driven Concept Approximation. - Sinh Hoa Nguyen; Trung Thanh Nguyen 003; Hung Son Nguyen (RSCTC, 2006)

Learning Sunspot Classification. - Trung Thanh Nguyen 003; Claire P. Willis; Derek J. Paddon; Sinh Hoa Nguyen; Hung Son Nguyen (Fundam. Informaticae, 2006)