MARISH A,MARISH P. Enabling autonomic compositions in grid environments[C]//Proceedings of the 4th International Workshop on Grid Computing. Washington, D.C., USA:IEEE Computer Society,2003:34-41.
[2]
BONATI P,DE CAPTITANI S,SAMARATI P. A modular approach to composing access control policies[C]//Proceedings of the 7th ACM Conference on Computer and Communication Security. New York, N.Y., USA:ACM,2000:164-173.