In the authorization access control model, the Policy Decision Point (PDP) may make an
inappropriate authorization decision or the operating efficiency of the network and …

Combining different independent cloud services must coordinate their access control
policies. Otherwise unauthorized access to composite cloud service can occur when …

Security models using access control policies have over the years improved from Role-
based access control (RBAC) to newer models which have added some features like …

In the last 10 years, virtualization has become a widespread technique in cloud computing;
however, few of the access control models have ever addressed the security issue of multi …

A data providing service (DPS) in service‐oriented architecture is tasked only with the
retrieval of data that are annotated over a domain ontology. One particular motivating …

This paper extends RBAC's authorizing ability via adding domain and virtual machine
features aiming at applying in the virtualized scenarios. We define a new model named …

The enlargement of the current enterprise network scale makes the conflict between
application systems and network devices inevitable. To address this issue, this paper …

Although the ANSI RBAC model has achieved great success in the enterprise, it provides no
mechanism for the urgent interoperation needs between distributed domains. This paper …