Most financial time series processes are nonstationary and their frequency characteristics are time-dependant. In this paper we present a time series summarization and prediction ...
This paper discusses the development of a methodology for reasoning about properties of security policies. We view a security policy as a special case of regulation which specifi...
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
Abstract. Failures are unavoidable in many circumstances. For example, an agent may fail at some point to perform a task in a dynamic environment. Robust systems typically have mec...
Abstract—This paper illustrates how the functionalities of monitoring/control systems, within an agent–based framework, can be improved by the adoption of Knowledge–Based tec...