@inproceedings{O2OHPOVUA,
 author = {Fred\'eric Cuppens and Nora Cuppens-Boulahia and C\'eline Coma},
 title = {{O2O: Managing Security Policy Interoperability with Virtual Private Organizations}},
 booktitle = {13th Annual Workshop of HP OpenView University Association},
 year = {2006},
 adress = {Côte d'Azur, France},
 month = {may 21-24},
}