Conventional access control are suitable for regulating access to resources by known users.
However, these models have often found to be inadequate for open and decentralized multi …

A key challenge in Web services security is the design of effective access control schemes
that can adequately meet the unique security challenges posed by the Web services …

Cloud computing has recently gained tremendous momentum but still is in its infancy. It has
the potential for significant cost reduction and the increased operating efficiencies in …

The Internet and related technologies have seen tremendous growth in distributed
applications such as medicine, education, e-commerce, and digital libraries. As demand …

There is provided a computer-implemented method for authentication, the method
comprising: defining a demanded level of security in an authorization service of a server; …

The relationship between users and resources is dynamic in the cloud, and service
providers and users are typically not in the same security domain. Identity-based security …

Policy-based computing is taking an increasing role in providing real-time decisions and
governing the systematic interaction among distributed Web services. XACML (eXtensible …

The specification of access control policies for large, multi-organization applications is
difficult and error-prone. Sophisticated policies are needed for fine-grained control of access …

In order to provide a general access control methodology for parts of XML documents, we
propose combining role-based access control as found in the Role Graph Model, with a …

The e programming language enjoys widespread use in the microchip industry with
applications to specification, modeling, testing and verification of hardware systems and …