Secure Mediation: Requirements and Design

Providing Security and Interoperation of HeterogeneousSystems

Distributed and Parallel Databases - Security of data and transaction processing

Secure mediation: requirements, design, and architecture

Journal of Computer Security - IFIP 2000

Supporting authorization query and inter-domain role mapping in presence of hybrid role hierarchy

Proceedings of the eleventh ACM symposium on Access control models and technologies

Formal foundations for hybrid hierarchies in GTRBAC

ACM Transactions on Information and System Security (TISSEC)

Towards flexible credential negotiation protocols

Proceedings of the 11th international conference on Security Protocols