K. Venter and M. S. Olivier, The delegation authorization model: A model for the dynamic delegation of authorization rights in a secure workflow management system, In CCITT Recommendation X, vol.420, 2002.

A. Vijayalakshmi and W. Janice, Supporting conditional delegation in secure workflow management systems, SACMAT '05: Proceedings of the tenth ACM symposium on Access control models and technologies, pp.49-58, 2005.

K. Gaaloul and F. Charoy, Task delegation based access control models for workflow systems for e-Business and e-Society, 9th IFIP WG 6.1 Conference on e-Business, e-Services and e-Society, I3E 2009: Proceedings of Software Services, 2009.

K. Gaaloul, P. Miseldine, and F. Charoy, Towards Proactive Policies Supporting Event-Based Task Delegation, 2009 Third International Conference on Emerging Security Information, Systems and Technologies, pp.99-104, 2009.
DOI : 10.1109/SECURWARE.2009.23
URL : https://hal.archives-ouvertes.fr/inria-00431494

V. Atluri, W. Huang, and E. Bertino, An execution model for multilevel seccure workflows, Proceedings of the IFIP WG11.3 Eleventh International Conference on Database Security, pp.151-165, 1998.

E. Bertino, S. Castano, E. Ferrari, and M. Mesiti, Specifying and enforcing access control policies for xml document sources, World Wide Web, vol.3, issue.3, pp.139-151, 2000.
DOI : 10.1023/A:1019289831564

J. Crampton and H. Khambhammettu, Delegation in role-based access control, Proceedings of the Computer Security -ESORICS 2006, 11th European Symposium on Research in Computer Security, pp.174-191, 2006.

R. A. Kowalski and M. J. Sergot, A logic-based calculus of events, New Generation Computing, vol.10, issue.No. 2, pp.67-95, 1986.
DOI : 10.1007/BF03037383

E. Zahoor, O. Perrin, and C. Godart, A declarative approach to timed-properties aware Web services composition, INRIA internal report 00455405, 2010.
URL : https://hal.archives-ouvertes.fr/inria-00455405

E. T. Mueller, Commonsense Reasoning, 2006.

R. Sandhu, E. J. Coyne, H. L. Feinstein, and C. E. Youman, Role-based access control models, Computer, vol.29, issue.2, pp.38-47, 1996.
DOI : 10.1109/2.485845

E. Barka and R. Sandhu, Framework for role-based delegation models, Proceedings 16th Annual Computer Security Applications Conference (ACSAC'00), 2000.
DOI : 10.1109/ACSAC.2000.898870

X. Zhang, S. Oh, and R. Sandhu, PBDM, Proceedings of the eighth ACM symposium on Access control models and technologies , SACMAT '03, pp.149-157, 2003.
DOI : 10.1145/775412.775431

L. Seitz, E. Rissanen, T. Sandholm, B. Firozabadi, and O. Mulmo, Policy administration control and delegation using XACML and Delegent, The 6th IEEE/ACM International Workshop on Grid Computing, 2005., pp.49-54, 2005.
DOI : 10.1109/GRID.2005.1542723