Lifelong User Modelling is an area that aims at harvesting the massive volume of web-based user information, so that it can be used for educational long-term services. Although an amount of research has addressed this issue from an educational angle, by finding ways for educational peer systems...

The open and dynamic nature of modern distributed systems and pervasive environments presents significant challenges to security management. One solution may be trust management which utilises the notion of trust in order to specify and interpret security policies and make decisions on...

Cloud computing – where elastic computing resources are delivered over the Internet by external service providers – is generating significant interest within HE and FE. In the cloud computing business model, organisations or individuals contract with a cloud computing service provider on a...

EXECUTIVE SUMMARY Undergraduate computing students often produce high quality final-year projects with a software product that has the potential to become commercially viable. It is feasible to identify such projects by enterprise-aware academic staff during the projects' development. The...

Empirical studies on information communication technologies (ICT) typically aggregate the “information” and “communication” components together. We show theoretically and empirically that these have very different effects on the empowerment of employees, and by extension on wage...

e-Science and e-Research is about supporting collaborations especially those that cross administrative boundaries. Typically this is achieved through establishing virtual organizations (VOs) where several institutions and individuals wish to contribute resources for their mutual interest, e.g....

A key problem in time series prediction using autoregressive models is to fix the model order, namely the number of past samples required to model the time series adequately. The estimation of the model order using cross-validation may be a long process. In this paper, we investigate alternative...

This monograph examines the domain of classical political economy using the methodologies developed in recent years both by the new discipline of econo-physics and by computing science. This approach is used to re-examine the classical subdivisions of political economy: production, exchange,...

In recent years, there has been and continues be an increasing numbers of company mergers and takeovers. However, many of them such as the AOL - Time Warner, merger destroy shareholder value instead of increasing it. Mirivis (1992) and Vansina (1992) observe that approximately half of all...

Purpose – This paper aims to describe a bilateral symmetric approach to authorization, privacy protection and obligation enforcement in distributed transactions. The authors introduce the concept of the obligation of trust (OoT) protocol as a privacy assurance and authorization mechanism that...