In this paper I propose a context-aware collaborative filtering system that can predict a user's preference in different context situations based on past user-experiences. Th...
—The concept of groups is a natural aspect of most collaboration scenarios. Group-Centric Secure Information Sharing models (g-SIS) have been recently proposed in which users and...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
New Technologies have been incorporated to schools as learning tools some time ago. In this paper we remark some advantages of video games as educational systems and how we can us...
There is a recent trend toward rule-based authorization systems to achieve flexible security policies. Also, new sensing technologies in pervasive computing make it possible to de...
This paper describes how computer-human interaction in ambient computing environments can be best informed by conceptualizing of such environments as problem solving systems. Typi...