This paper presents a model and implementation techniques for speeding up constraint propagation. Two fundamental approaches to improving constraint propagation are explored: keepi...
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...
In description logics, concrete domains are used to model concrete properties such as weight, name, or age, having concrete values such as integers or strings, with built-in predic...
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¬...
: This paper presents an authorization solution for resource management and control developing as a part of the China Education and Research Network (CERNET) to perform fine-graine...