Traditional access control mechanisms rely on a reference monitor to mediate access to protected resources. Reference monitors are inherently centralized and existing attempts to ...
Abstract. We present a concept called ‘ubiquitous attentiveness’: Context information concerning the user and his environment is aggregated, exchanged and constitutes triggers ...
Herma Van Kranenburg, Alfons H. Salden, Henk Eerti...
High performance Grid computing provides an infrastructure for access and processing of large volume, terabyte or even petabytes, of distributed data. Research in data grid has foc...
PSC has architected and delivered the TCS-1 machine, a Terascale Computing System for use in unclassified research. PSC has enhanced the effective usability and utilization of this...
Nathan Stone, John Kochmar, Paul Nowoczynski, J. R...
To take advantage of the numerous new resources for teaching/learning provided by the Internet, teachers should understand technologies that normally are not part of their fiel...