Abstract. This paper introduces the concepts of wide classes and widening as extensions to the object model of class-based languages such as Java and Smalltalk. Widening allows an ...
This paper introduces a Collaborative Virtual Environment (CVE) system over the Internet. A Virtual Reality Modeling Language (VRML) 97-based user interface is developed to permit...
The programming and retasking of sensor nodes could benefit greatly from the use of a virtual machine (VM) since byte code is compact, can be loaded on demand, and interpreted on...
Intelligence, collaboration and mobility are the main important features in designing agents for electronic commercial systems. But very few systems permit to implement agents whi...
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...