Trajectory Annotation and Retrieval Based on Semantics. - Miyoung Cho; Chang Choi; Junho Choi; Hongryoul Yi; Pankoo Kim (Adaptive Multimedia Retrieval, 2007)

Semantic Keyword Detection of Web Document. - Myunggwon Hwang; Hongryoul Yi; Junho Choi; Miyoung Cho; Jungpil Shin 001; Ilyong Chung; Pankoo Kim (SWWS, 2008)