A UML ontology and derived content language for a travel booking scenario.

Stephen Cranefield Jin Pan Martin K. Purvis A UML ontology and derived content language for a travel booking scenario. 55-62 2003 conf/oas/2003 OAS http://SunSITE.Informatik.RWTH-Aachen.de/Publications/CEUR-WS/Vol-73/oas03-cranefield.pdf db/conf/oas/oas2003.html#CranefieldPP03