CONDOCS: A Concept-Based Document Categorization System Using Concept-Probability Vector with Thesaurus. - Hyun-Kyu Kang; Jeong-Oog Lee; Heung Seok Jeon; Myeong-Cheol Ko; Doo-Hyun Kim; Ryumduck Oh; Wonseog Kang (AIS, 2004)