Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
The United States Department of Defense (DoD) has, over the past several years, emphasized the need to employ simulation based acquisition (SBA) in engineering and development. Di...
Workflow systems provide automated support that enables organizations to efficiently and reliably move important data through their routine business processes. For some organizati...
Due to the large number of attacks on open networks, information theft becomes a more and more severe problem. Secure computation can offer highly assured confidentiality protecti...
Scientific workflows have recently emerged as a new paradigm for representing and managing complex distributed scientific computations and data analysis, and have enabled and acce...