Open distributed systems are typically composed by an unknown number of processes running in heterogeneous hosts. Their communication often requires tolerance to temporary disconn...
Alysson Neves Bessani, Miguel Correia, Joni da Sil...
In the Fall of 1999 the Center for Excellence in Undergraduate Teaching (CEUT) and the International Office at Virginia Tech provided a small grant to support the incorporation of...
The Xen Worlds project at Iowa State University was designed to provide a virtualized lab environment for the Information Assurance program. The large number of off-campus student...
Benjamin R. Anderson, Amy K. Joines, Thomas E. Dan...
Role-based Access Control (RBAC) models have been implemented not only in self-contained resource management products such as DBMSs and Operating Systems but also in a class of pr...
David F. Ferraiolo, Ramaswamy Chandramouli, Gail-J...
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...