@inproceedings{O2Oiciss,
 author = {Fred\'eric Cuppens and Nora Cuppens-Boulahia and C\'eline Coma},
 title = {{O2O: Virtual Private Organizations to Manage Security Policy Interoperability}},
 booktitle = {Second International Conference on Information Systems Security (ICISS'06)},
 year = {2006},
 adress = {Kolkata, India},
 month = {December},
}