Abstract. This paper uses a theory of composition based on existential and universal properties. Universal properties are useful to describe components interactions through shared ...
In this work we describe a system for determining strong equivalence of disjunctive non-ground datalog programs under the stable model semantics. The problem is tackled by reducing...
This paper describes the derivation of a program for the propagation of information over a network, with acknowledgement (feedback) when the computation is complete. The derivatio...
Graphical notations are already popular for the design of software, as witnessed by the success of the Uniform Modeling Languages (UML). In this paper, we advocate the use of grap...
This article describes a particular use of ontologies for visualising maps in a browser window. Geographic data are represented as instances of concepts in an ontology of transpor...