認可 (セキュリティ)
↑ A. H. Karp. Authorization-Based Access Control for the Services Oriented Architecture. Proceedings of the Fourth International Conference on Creating, Connecting, and Collaborating through Computing (C5), 26-27 January 2006, Berkeley, CA, USA.PDF
↑ A. Jøsang, D. Gollmann, R. Au. A Method for Access Authorisation Through Delegation Networks. Proceedings of the Australasian Information Security Workshop (AISW'06), Hobart, January 2006. PDF