Context is a key factor in making make access control decision in modern information system. But a formal context model is needed to guide research of implementation of Context-se...
Abstract. At present, network users have to manage one set of authentication credentials (usually a username/password pair) for every service with which they are registered. Single...
When modelling complex systems one can not include all the causal factors, but one has to settle for partial models. This is alright if the factors left out are either so constant...
Previous studies measuring the performance of general-purpose operating systems running large-scale Internet server applications, such as proxy caches, have identified design defi...
Domestic service robots have long been a staple of science fiction and commercial visions of the future. Until recently, we have only been able to speculate about what the experie...