POT: an efficient top-k monitoring method for spatially correlated sensor readings. - YongHyun Cho; Jihoon Son; Yon Dohn Chung (DMSN, 2008)

Direction-based clustering for efficient multicasting in wireless ad-hoc networks. - Jihoon Son; YongHyun Cho; Yon Dohn Chung; Ki Yong Lee (MobiDE, 2008)

SPIDER: a system for scalable, parallel / distributed evaluation of large-scale RDF data. - Hyunsik Choi; Jihoon Son; YongHyun Cho; Min Kyoung Sung; Yon Dohn Chung (CIKM, 2009)