Re: Resources and state

Graham
> For example, if we have a suitably flexible core model, expressed in RDF, then I
> would expect a key extension point to be refinement (subclasses and
> subproperties) of the core elements.  That needs no process.
agreed, but as you say:
> I accept that not all desirable extension points may be as obliging, but for now
> I'm happy to leave the details unresolved.
what may be needed is /principles/ for doing extensions right. I can make up any extended class structure which is a formally 
correct refinement but makes no sense to anyone else :-)

-Paolo