We introduce a new model for objects which can move around on a cellular grid. The model consists of two phases, the movement phase and the con ict resolution phase. In the movemen...
Christian Hochberger, Rolf Hoffmann, Stefan Waldsc...
Electronic commerce is emerging as a major Websupported application. In this paper we argue that database technology can, and should, provide the backbone for a wide range of such...
Serge Abiteboul, Bernd Amann, Sophie Cluet, Anat E...
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 ...
The management of complexity in large systems is traditionally focused on the modeling and management of classes and hierarchies of classes. In order to improve the compositional ...
This paper presents a brief overview of data management using the Extensible Markup Language (XML). It presents the basics of XML and the DTDs used to constrain XML data, and desc...