Roland Hedberg wrote:

> A typical property uri in this ontology will look like this:
> 
> http://www.ldap.com/1/schema/ldapv3.owl#0.9.2342.19200300

I just remembered.

This is a valid "URI reference" (that's what it is), however, you are
not allowed to use it in a schema, since if you use XML namespaces,
you'll get something like this:

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
         xmlns:eg="http://example.org/";
         xmlns:ldap="http://www.ldap.com/1/schema/ldapv3.owl";
>

<rdf:Resource rdf:about="#foo">
   <ldap:0.9.2342.19200300 rdf:resource="#bar" />
</rdf:Resource>

</rdf:RDF>

Now, the "ldap:0.9.2342.19200300" part is NOT allowed in XML. Therefor,
while the URI reference is valid, you still can't use #0.9.2342.19200300
as the fragement/identifier in a RDF schema (or XML schema for that matter).

Regards,
Freek

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