Access Control Models and Security Labelling. - Chuchang Liu; Angela Billard; Maris A. Ozols; Nikifor Jeremic (ACSC, 2007)

An Abstract Model for Dynamic Access Control Architectures. - Chuchang Liu; Angela Billard; Benjamin Long (Web Intelligence/IAT Workshops, 2008)

An abstract dynamic access control architecture. - Chuchang Liu; Angela Billard; Benjamin Long (J. Appl. Log., 2011)