In this paper we study the interconnection between relationships and roles. We start from the patterns used to introduce relationships in object oriented languages. We show how th...
Matteo Baldoni, Guido Boella, Leendert van der Tor...
— A raytracer calculates how a camera would observe a potentially complex scene consisting of numerous objects and light sources. If all the objects are modeled by n primitives, ...
We give a formal account of a calculus for modeling service-based systems, suitable to describe both service composition (orchestration) and the protocol that services run when in...
Ivan Lanese, Francisco Martins, Vasco Thudichum Va...
The widespread use of XML brings new challenges for its integration into general software development processes. In particular, it is necessary to keep the consistency between diï¬...
One of the objectives of the Open Access movement is to establish institutional repositories at universities and other research institutions in order to support self-archiving. Alt...