Z. M. Qiu, K. F. Kok, Y. S. Wong, and J. Y. Fuh, Role-based 3D visualisation for asynchronous PLM collaboration, Computers in Industry, vol.58, issue.8-9, pp.8-9, 2007.
DOI : 10.1016/j.compind.2007.02.006

Y. Wang, P. Ajoku, J. Brustoloni, B. Nnaji, and J. , Intellectual Property Protection in Collaborative Design through Lean Information Modeling and Sharing, Journal of Computing and Information Science in Engineering, vol.6, issue.2, p.149, 2006.
DOI : 10.1115/1.2190235

D. D. Cera, T. Kim, J. Han, and W. C. Regli, Role-based viewing envelopes for information protection in collaborative modeling, Computer-Aided Design, vol.36, issue.9, pp.873-886, 2004.
DOI : 10.1016/j.cad.2003.09.014
URL : http://gicl.cs.drexel.edu/papers/PDFs/DU-CS-03-04.pdf

C. Fang, W. Peng, X. Ye, and S. Zhang, Multi-level access control for collaborative CAD, In: Computer Supported Cooperative Work in Design, Proceedings of the Ninth International Conference on, pp.643-648, 2005.

S. Pettifer and J. Marsh, Collaborative access model for shared virtual environments, Proceedings Tenth IEEE International Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises. WET ICE 2001, pp.257-262, 2001.
DOI : 10.1109/ENABL.2001.953424
URL : http://aig.cs.man.ac.uk/publications/papers/KMN2001.pdf

A. Bullock and S. Benford, An access control framework for multi-user collaborative environments, Proceedings of the international ACM SIGGROUP conference on Supporting group work , GROUP '99, pp.140-149, 1999.
DOI : 10.1145/320297.320313

K. Walczak, Structured Design of Interactive VR Applications, The 13th International Symposium on 3D Web Technology Web3D, pp.105-113, 2008.

M. E. Latoschik, P. Biermann, and I. Wachsmuth, Knowledge in the Loop: Semantics Representation for Multimodal Simulative Environments, Proceedings of the 5th International Symposium on Smart Graphics, Frauenwoerth Cloister, pp.25-39, 2005.
DOI : 10.1007/11536482_3

J. Lugrin and M. Cavazza, Making sense of virtual environments, Proceedings of the 12th international conference on Intelligent user interfaces , IUI '07, pp.225-234, 2007.
DOI : 10.1145/1216295.1216336

F. Pittarello and A. De-faveri, Semantic description of 3D environments, Proceedings of the eleventh international conference on 3D web technology , Web3D '06, pp.85-95, 2006.
DOI : 10.1145/1122591.1122603

M. Gutierrez, F. Vexo, and D. Thalmann, Semantics-based representation of virtual environments, International Journal of Computer Applications in Technology, vol.23, issue.2/3/4, pp.229-238, 2005.
DOI : 10.1504/IJCAT.2005.006484

E. J. Sallés, J. B. Michael, M. Capps, D. Mcgregor, and A. Kapolka, Security of runtime extensible virtual environments, Proceedings of the 4th international conference on Collaborative virtual environments , CVE '02, pp.97-104, 2002.
DOI : 10.1145/571878.571894

W. Tolone, G. Ahn, T. Pai, and S. Hong, Access control in collaborative systems, ACM Computing Surveys, vol.37, issue.1, pp.29-41, 2005.
DOI : 10.1145/1057977.1057979

K. Izaki, K. Tanaka, and M. Takizawa, Authorization model based on object-oriented concept, Proceedings 15th International Conference on Information Networking, pp.72-77, 2001.
DOI : 10.1109/ICOIN.2001.905332

R. K. Wong, RBAC support in object-oriented role databases, Proceedings of the second ACM workshop on Role-based access control , RBAC '97, pp.109-120, 1997.
DOI : 10.1145/266741.266765

R. Sandhu, D. Ferraiolo, and R. Kuhn, The NIST model for role-based access control, Proceedings of the fifth ACM workshop on Role-based access control , RBAC '00, pp.47-63, 2000.
DOI : 10.1145/344287.344301

T. Priebe, W. Dobmeier, C. Schläger, and N. Kamprath, Supporting Attribute-based Access Control in Authorization and Authentication Infrastructures with Ontologies, Journal of Software, vol.2, issue.1, pp.27-38, 2007.
DOI : 10.4304/jsw.2.1.27-38

X. Wang, T. Demartini, B. Wragg, M. Paramasivam, and C. Barlas, The mpeg-21 rights expression language and rights data dictionary, IEEE Transactions on, vol.7, issue.3, pp.408-417, 2005.