AW: WG: I need a RDFS Parser/Validator

Hi Richard!

> Note that the correct behaviour is not to treat range and domain as
> constraints, but for inference. E.g.
>
> :carType a           owl:ObjectProperty ;
>           rdfs:domain :Car .
> :x       :carType    :Saloon .
> ==========================================
> :x       a           :Car .
>
> This is a common misunderstanding in validation. When "car" and
> "person" aren't disjoint, and a property such as the above is applied
> to a person, it is quite logical to infer that the subject is
> both car
> and person.

You have alredy appointed that "carType" must be only applied to
subjects, which instances of Car must be. A RDFS validator should be
able to catch some violation such as the following misemployment:

<f:Person rdf:ID="me">
	<f:carType rdf:resource="saloon"/>
</f:Person>