Poly2 Paradigm: A Secure Network Service Architecture. - Eric Bryant; James P. Early; Rajeev Gopalakrishna; Gregory Roth; Eugene H. Spafford; Keith Watson; Paul Williams; Scott Yost (ACSAC, 2003)

A Novel Skin Tone Detection Algorithm for Contraband Image Analysis. - Abhishek Choudhury; Marcus K. Rogers; William Blair Gillam; Keith Watson (SADFE, 2008)