This paper introduces Virtual Information Towers (VITs) as a concept for presenting and accessing location-aware information with mobile clients. A VIT is a means of structuring l...
Alexander Leonhardi, Uwe Kubach, Kurt Rothermel, A...
Many information services in pervasive computing offer rich information, which is information that includes other types of information. For example, the information listed in a pe...
Abstract. Web portal software is relatively easy to set up and populate from the perspective of the end-user, but it leaves the back-end database devoid of subject domain semantics...
C. Maria Keet, Ronell Alberts, Aurona Gerber, Gibs...
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...
In this paper we propose an access control model for use by a trusted middleware infrastructure, which is part of an architecture that supports the operation of Location Based Serv...