Attribute-based access control (ABAC) is a promising alternative to traditional models of
access control (ie, discretionary access control (DAC), mandatory access control (MAC), and …

Cloud computing is an Internet‐based computing where the information technology
resources are provided to end users following their request. With this technology, users and …

There are many information objects and users in a large company. It is an important issue
how to control user's access in order that only authorized user can access information …

Along with developing specifications for the description of meta-data and the extraction of
information for the Semantic Web, it is important to maximize security in this environment …

Delegation is the process whereby an active entity in a distributed environment authorizes
another entity to access resources. In today's distributed systems, a user often needs to act …

Recent years have seen unprecedented growth in the popularity of social network systems,
with Facebook being an archetypical example. The access control paradigm behind the …

There have been two parallel themes in access control research in recent years. On the one
hand there are efforts to develop new access control models to meet the policy needs of real …

OASIS is a role-based access control architecture for achieving secure interoperation of
services in an open, distributed environment. The aim of OASIS is to allow autonomous …

Role-based access control (RBAC) is recognized as an efficient access control model for
large organizations. Most organizations have some business rules related to access control …

Access control models are usually static, ie, permissions are granted based on a policy that
only changes seldom. Especially for scenarios in health care and disaster management, a …