A significant characteristic of global computing is the need for secure interactions between highly mobile entities and the services in their environment. Moreover, these decentralised systems are also characterised by partial views over the state of the global environment, implying that we...

Recent advances in networking, handheld computing and sensors technologies haveled to the emergence of context-aware systems. The vast amounts of personal information collected by such systems has led to growing concerns about the privacy of their users. Users concerned about their private...

The requirement for spontaneous interaction in ubiquitous computing creates security issues over and above those present in other areas of computing,deeming traditional approaches ineffective. As a result, to support secure collaborations entities must implement self-protective measures. Trust...

The amount of business taking place in online marketplaces such as eBay is growing rapidly. At the end of 2005 eBay Inc. reported annual growth rates of 42.5% [3] and in February 2006 received 3 million user feedback comments per day [1]. Now we are faced with the task of using the limited...

In a global computing environment in order for entities to collaborate, they should be able to make autonomous access control decisions with partial information about their potential collaborators. The SECURE project addresses this requirement by using trust as the mechanism for managing risks...

Integrating environmental considerations into supply-chain management has become one of the major concerns to the industry and researchers. However, supply chains still have to deal with the challenges of effectiveness and cost efficiency. RFID is one of the contemporary technologies which have...