Intelligence, collaboration and mobility are the main important features in designing agents for electronic commercial systems. But very few systems permit to implement agents whi...
Explosive increase in end-user computing on distributed systems requires that end-users develop application software by themselves. One solution is given as aformula of "adom...
—Authorization logics allow concise specification of flexible access-control policies, and are the basis for logic-based access-control systems. In such systems, resource owner...
Abstract. When designing an open system, there might be no implementation available for certain components at verification time. For such systems, verification has to be based on a...
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...