Tangible user interfaces provide access to virtual information through intuitive physical manipulation. However, feedback is mostly provided by displays in the environment instead...
Abstract. Access control languages which support administrative controls, and thus allow the ordinary permissions of a system to change, have traditionally been constructed with ï¬...
Data broadcasting is well known for its excellent scalability. Multi-dimensional range queries, such as spatial range queries of geographical information for location dependent se...
This paper addresses the design and implementation of an adaptive document version management scheme. Existing schemes typically assume: (i) a priori expectations for how versions ...
A scheme for ensuring access rights untransferability in a client-serverecenario with a central authority and where servers hold no access information about clients is presented in...