The federated cloud paradigm is getting popular for its dynamic allocation of resources,
processing power, improved performance, and scalability. A federated cloud lets multiple …

Protection of shared data from unauthorized users is the most challenging problem of cyber
security for which different access control models have been introduced. However, to …

In recent years, organizations are starting to demand a finer user access control in order to
offer added-value services, while end users desire more control over their private …

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 presents a capability-and policy-based access control framework with delegation
support (CPBAC) for distributed system that provides two types of delegation: administrative …

Businesses today have more than ever a sharp focus on reducing capital and operational
expenses. Business Process Outsourcing (BPO), Knowledge Process Outsourcing (KPO) …

Since their introduction, the use (and abuse) of computer systems has grown astronomically,
and consequently so has the need to manage the sharing of data between users, processes …

Delegation of access rights is becoming a common requirement of cloud based
organizations. In this regard, various delegation models have been proposed. These models …

(57) ABSTRACT Wireless fidelity (Wi-Fi) devices that are not associated with a specific
wireless carrier can be contractually operated as an extension of the specific Wi-Fi carrier. In …

In order to detect and locate edge features precisely in real images we have developed an
algorithm by introducing a nonlocal differentiation of intensity profiles called adaptive …