- From: Miles Sabin <miles@milessabin.com>
- Date: Fri, 2 Aug 2002 22:53:38 +0100
- To: www-tag@w3.org
Jonathan Borden wrote, > From the RDF model theory http://www.w3.org/TR/rdf-mt/ (1.2) > > "Urirefs are treated as logical constants, i.e. as names which denote > something (the things are called 'resources', but no assumptions are > made about the nature of resources.) > ... > Similarly, the model theory given here has no special provision for > tracking temporal changes. It assumes, implicitly, that urirefs have > the same meaning whenever they occur.To provide an adequate semantics > which would be sensitive to temporal changes is a research problem > which is beyond the scope of this document. > " This is fine for closed formal systems. But I simply fail to see how these constraints (identifiers as logical constants, absence of change) can be imposed on a system as open and messy as the web. Cheers, Miles
Received on Friday, 2 August 2002 17:54:09 UTC