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This document describes TUpper as an ontology that is conformant to the requirements specified for top-level ontologies in ISO/IEC 21838-1.

This document describes TUpper as a resource designed to support ontology design, ontology integration, automated reasoning, and semantic integration of heterogeneous information systems.

The following are within the scope of this document:

.     definitions of classes and relations in the signature of TUpper;

.     axiomatizations of TUpper in OWL 2 and CL;

.     documentation of the conformity of TUpper to the requirements specified for top-level ontologies in ISO/IEC 21838-1;

.     documentation of the methodology for specifying domain ontologies that conform to TUpper.

The following are outside the scope of this document:

.     specification of ontology languages, including the languages RDF, OWL and CL standardly used in ontology development;

.     specification of methods for reasoning with ontologies;

.     specification of translators between the notations of ontologies developed in different ontology languages.