AAIs – Infrastructures for Authentication and Authorisation provide services for service providers on the Internet. Especially if combined with an attribute infrastructure these...
With the development and maturity of ServiceOriented Architectures (SOA) to support business-tobusiness transactions, organizations are implementing Web services to expose their p...
Users’ information needs are largely driven by the context in which they make their decisions. This context is dynamic. It includes the users’ characteristics, their current do...
Efficient schemes for deploying and maintaining widearea services and accessing such services are essential if the Internet is to sustain itself as the communication medium for b...
Abstract. The evolution to ubiquitous information and communication networks is evident. Technology is emerging that connects everyday objects and embeds intelligence in our enviro...