[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: patterns vs. identifiers
[Arjun Ray] [[ Uche Ogbuji <uche.ogbuji@f...> wrote: |[Paul Prescod:] |> RDF exists to solve a problem: associating metadata with web objects. |> You can't do that without a strong notion of identity. | | So you mean the identity that comes with a string match of URIs? I can't speak for Paul, but I doubt that is what he meant. I'd say a closer example would be the way in which ID attributes establish identity in a document (i.e. "distinct existence"). ]] I can't go along with that notion, Arjun. I say that markup documents establish existence and identity by the existence and context of elements. An ID can make for more robust references (in case of editorial changes) or more convenient ones or more efficient code, but it is not the essence of the thing. It is different with RDF, where there are roles for both nodes identified by an identifier and nodes identified by their context (anonymous nodes, I mean). Cheers, Tom P
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