O-Telos-RDF: An Extension of RDF with Enhanced Meta-Modeling and Reification Functionalities

In this paperwe describethe formalization of an RDF(S) extension we call O-Telos-RDF, which provides enhancedfunctionalitiesfor metamodelingandreifiedstatements. Theaxiomaticformalizationis basedvery closely on the formalizationof the modelinglanguageO-Telos,which is basedon a semanticnetworkmodelquitesimilar to RDF(S),andhasbeen usedasa (meta)modelinglanguagein variousapplicationareasduringthe last10 years.