We propose in this paper an extension of Conceptual Graphs that allows to use datatypes (strings, numbers, ...) for typing concept nodes. Though the model-theoretic semantics of th...
Simple Conceptual Graphs (SGs) are used to represent entities and relations between these entities: they can be translated into positive, conjunctive, existential first-order log...
Abstract. In this paper, we extend Simple Conceptual Graphs with Reiter’s default rules. The motivation for this extension came from the type of reasonings involved in an agronom...
Abstract We describe the ‘Hierarchical as View’ approach to knowledge integration from heterogeneous sources. This is based on a novel representation called Layered Conceptual ...
Madalina Croitoru, Ernesto Compatangelo, Chris Mel...