Knowledge Mining Wikipedia: An Ontological Approach. - Herbert Lee; Keith C. C. Chan; Eric Tsui (Int. J. Knowl. Syst. Sci., 2011)

Surrogate Models for Mixed Discrete-Continuous Variables. - Laura Painton Swiler; Patricia D. Hough; Peter Z. G. Qian; Xu Xu; Curtis B. Storlie; Herbert Lee (Constraint Programming and Decision Making, 2014)