Discovering Interesting Holes in Data. - Bing Liu 001; Liang-Ping Ku; Wynne Hsu (IJCAI (2), 1997)

An optimisation framework for yard planning in a container terminal: case with automated rail-mounted gantry cranes. - Liang-Ping Ku; Loo Hay Lee; Ek Peng Chew; Kok Choon Tan (OR Spectr., 2010)