Classifying Web pages using adaptive ontology. - Sanguk Noh; Haesung Seo; Jaehyuk Choi; Kyunghee Choi; Gihyun Jung (SMC, 2003)

An Intelligent Topic-Specific Crawler Using Degree of Relevance. - Sanguk Noh; Youngsoo Choi; Haesung Seo; Kyunghee Choi; Gihyun Jung (IDEAL, 2004)