Tree-Based Classification Algorithm for Heterogeneous Unique Item ID Schemes. - Yong Hwan Lee; Hee Jung Kim; Byeong-Hee Roh; Seung W. Yoo; Y. C. Oh (EUC Workshops, 2005)

Energy-Saving Cluster Formation Algorithm in Wireless Sensor Networks. - Hyang-tack Lee; Dae-hong Son; Byeong-Hee Roh; Seung W. Yoo; Y. C. Oh (MSN, 2005)