OntClass Country = model.createClass( ns + "Country" );
Individual USA = model.createIndividual( ns + "USA", Country );
Individual UnitedStates = model.createIndividual( ns + "UnitedStates", Country );
OntProperty livesIn = model.createObjectProperty( ns + "livesIn" );
livesIn.convertToFunctionalProperty();
OntClass Person = model.createClass( ns + "Person" );
Individual JohnDoe = model.createIndividual( ns + "JohnDoe", Person );
JohnDoe.addProperty( livesIn, USA );
JohnDoe.addProperty( livesIn, UnitedStates );