A parameterized RBAC access control model for WS-BPEL orchestrated composite web services. - Nezar Nassr; Eric Steegmans (ICITST, 2011)

OSDM: An Organizational Supervised Delegation Model for RBAC. - Nezar Nassr; Nidal Aboudagga; Eric Steegmans (ISC, 2012)

ROAC: A Role-Oriented Access Control Model. - Nezar Nassr; Eric Steegmans (WISTP, 2012)

Mitigating conflicts of interest by authorization policies. - Nezar Nassr; Eric Steegmans (SIN, 2015)