Square and Rectangle Covering with Outliers. - Hee-Kap Ahn; Sang Won Bae 001; Sang-Sub Kim 001; Matias Korman; Iris Reinbacher; Wanbin Son (FAW, 2009)

Covering points by disjoint boxes with outliers. - Hee-Kap Ahn; Sang Won Bae 001; Erik D. Demaine; Martin L. Demaine; Sang-Sub Kim 001; Matias Korman; Iris Reinbacher; Wanbin Son (Comput. Geom., 2011)

Covering a Point Set by Two Disjoint Rectangles. - Sang-Sub Kim 001; Sang Won Bae 001; Hee-Kap Ahn (Int. J. Comput. Geom. Appl., 2011)

Computing k-center over Streaming Data for Small k. - Hee-Kap Ahn; Hyo-Sil Kim; Sang-Sub Kim 001; Wanbin Son (ISAAC, 2012)

Covering and piercing disks with two centers. - Hee-Kap Ahn; Sang-Sub Kim 001; Christian Knauer; Lena Schlipf; Chan-Su Shin; Antoine Vigneron (Comput. Geom., 2013)

Computing k Centers over Streaming Data for Small k. - Hee-Kap Ahn; Hyo-Sil Kim; Sang-Sub Kim 001; Wanbin Son (Int. J. Comput. Geom. Appl., 2014)

An improved data stream algorithm for clustering. - Sang-Sub Kim 001; Hee-Kap Ahn (Comput. Geom., 2015)