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* Lars Marius Garshol | | Hmmm. I think you can use URIs as identifiers without getting | into difficulties over whether you regard them as locators or | identifiers. RDF uses URIs in both ways, but the core RDF | model does not make a distinction between these two cases. * Bill de hÓra | | RDF does not use URIs as locators. Search for 'logical constant' in | the Model Theory draft. The RDF Model Theory does not, that is true, but RDF applications very much do. When people write things like <rdf:Description> <foaf:name>Lars Marius Garshol</foaf:name> <foaf:mbox rdf:resource="mailto:larsga@g..."; /> <foaf:nick>larsbot</foaf:nick> <foaf:homepage rdf:resource="http://www.garshol.priv.no" /> it is clearly with the intention that the values of statements using the foaf:mbox and foaf:homepage properties are to be used as locators, but since the core model only uses the URIs as logical constants there is no clear distinction between URIs-used-as-locators and URIs-used-as-identifiers. You could, correctly, argue that that is not a distinction that exists in RDF, but that's my whole point, because the distinction very much exists in the larger context in which RDF finds itself, that is, the web. -- Lars Marius Garshol, Ontopian <URL: http://www.ontopia.net > ISO SC34/WG3, OASIS GeoLang TC <URL: http://www.garshol.priv.no >
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