User delegation is a mechanism for assigning access rights available to a user to another user. A delegation operation can either be a grant or transfer operation. Delegation for r...
Role-based access control (RBAC) is a popular access control model for enterprise systems due to its economic benefit and scalability. There are many RBAC features available, each ...
— Web Services are commonly used by organizations for B2B integration and enterprise application integration. UDDI registries are widely used as mechanisms for businesses to list...
This paper presents a model for privacy preserving access control which is based on variety of purposes. Conditional purpose is applied along with allowed purpose and prohibited p...
Today more and more security-relevant data is stored on computer systems; security-critical business processes are mapped to their digital counterparts. This situation applies to ...
Karsten Sohr, Michael Drouineaud, Gail-Joon Ahn, M...