Re: "Floating" vs "rooted" URIs

Earle,

There is no difference at all.
They are just the same triples.

Tim

On 2008-06 -04, at 01:22, Earle Martin wrote:

> Hello all,
>
> While looking through the Geonames project's ontology
> (http://www.geonames.org/ontology/ontology_v2.0_Lite.rdf), I noticed
> that they define things in the following fashion:
>
>    <owl:Class rdf:about="#Class">
>
> In ontologies I've put together, I've tended to use formulations along
> the lines of:
>
>    <owl:Class rdf:ID="Class">
>
> I can see the difference as being that, when written in an ontology
> available as http://example.com/ont, both say "here we assign
> properties to a URI", but only the latter version says "and this is
> it", providing a sort of physical presence as an identified fragment
> within the document.
>
> Is the former approach a better route to take? It feels less
> restrictive in some fashion. Or is there not really an appreciable
> difference? I suppose that with the open world assumption in effect,
> it's not as if either approach has any bearing on external resources
> making statements about my URIs, either.
>
> Cheers,
>
> Earle.
>
> -- 
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> Earle Martin | http://downlode.org/