1. Atluri V., Bertino E., Ferrari E., and Mazzoleni P. Supporting delegation in secure workflow management systems. In Proc. 17th IFIP WG 11.3 Conf. on Data and Application Security, 2003, pp. 190–202.
2. Bertino E., Bettini C., Ferrari E., and Samarati P. Decentralized administration for a temporal access control model. Inf. Syst., 22:(4)223–248, 1997.
3. Bertino E. and Ferrari E. 1997.Administration policies in a multipolicy authorization system. In Proc. 11th IFIP WG 11.3 Conference on Database Security, pp. 341–355.
4. Bertino E., Jajodia S., and Samarati P. A flexible authorization mechanism for relational data management systems. ACM Trans. Inf. Syst., 17:(2)101–140, 1999.
5. Bertino E., Samarati P., and Jajodia S. An extended authorization model. IEEE Trans. Knowl. Data Eng., 9:(1)85–101, 1997.