Grid computing allows the utilization of vast computational resources for solving complex scientific and engineering problems. However, development tools for Grid applications are...
XACML has emerged as a popular access control language on the Web, but because of its rich expressiveness, it has proved difficult to analyze in an automated fashion. In this pape...
Abstract--Vulnerabilities in operating systems and web applications have been and are being put into various classifications, leading to a better understanding of their causes and ...
The Globus Toolkit (GT) has been developed since the late 1990s to support the development of service-oriented distributed computing applications and infrastructures. Core GT compo...
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...