In this paper, we present our experiences concerning the enforcement of access rights extracted from ODRL-based digital contracts. We introduce the generalized Contract Schema (Co...
: A distributed service to model and control contextual information in mobile and ubiquitous computing environments is presented in this paper. We introduce the general user model ...
The goal of this research is to lay the foundations for a formal theory , that abstracts from the procedural and interactive aspects involved in the generation of dramatic content....