Harry van Vliet

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Objectives: Ebusinesses are increasingly facing the need of porting the provision of their eservices to mobile customers. Evolving requirements, such as reliability, security, scalability, performance and privacy, from fixed to mobile settings, has revealed new and important challenges. This is due to the behavioural constraints that mobility poses, and(More)
Adaptive systems can be used to help people find their way through large amounts of information by taking into account the content itself and opinions of other people. Annotations that describe content are important in this process as is generally recognized. What is less obviously stated so far is that not only the annotations themselves, but also(More)
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