Abstract. Access control is a system-wide concern that has both a generic nature and an application dependent characteristic. It is generic as many functions must be protected with...
With the emergence of XML as the de facto standard to exchange and disseminate information, the problem of regulating access to XML documents has attracted a considerable attentio...
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
We are facing a growing user demand for ubiquitous Internet access. As a result, network ports and wireless LANs are becoming common in public spaces inside buildings such as loung...
Distributed computation systems have become an important tool for scientific simulation, and a similarly distributed replica management system may be employed to increase the loc...