Nuno Bettencourt wrote:
Hi,

The doubt just kept on because in all protocols we were still referring to the 
same URN.

do you mean that there were RDF statements which linked each of the protocol specific URIs to a single URN via the same property? eg:

  <http://...> x:foo <urn:here>
  <https://...> x:foo <urn:here>
  <ftp://...> x:foo <urn:here>

If so, then you could define the property (x:foo above) as an Inverse Functional Property which would take care of the sameness for you.

Best,

Nathan

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