RE: abstract class

    To express that the 'rdfs:domain' of a property
> > is
> > >A or B, we should create the class C and define A
> > and
> > >B as 'rdfs:subClassOf' of C; since class C remains
> > >instantiable, we would like to define C as
> > abstract.

What do you mean "C remains instantiable"?

Received on Thursday, 23 January 2003 10:41:21 UTC