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On Fri, 2013-12-13 at 15:27 +1100, Stephen Cameron wrote: > Hi Liam, > > Please explain this too me. I've been thinking that an address can have > either semantic meaning, as in an RDF triple, or identify a resource, a > representation of which might ideally contain links to semantic information > (such as using RDFa) charaterising the content. An inside looking out vs an > outside looking in (via topic maps) contrast I guess is your point? It's not so much that a URI has some sort of intrinsic meaning - it's just a symbol. It's how it's used. The RDF 1.0 spec was very loose in its examples (vCards I think) in conflating a URI of someone's home page on the Web with the person themselves, or a picture of the person, or something about them on the Web or sometihng written by them. I can't easily say, using RDF, http://www.fromoldbooks.org/Aubrey-HistoryOfEngland-Vol2/pages/438-detail-Portrait-of-King-Henry-VIII/#fg=%237929ce_bg=none is an image of a wood-engraving depicting King Henry VIII. of England which has been coloured purple. To do that I need URIs for King Henry and for England and for purple, as opposed to URIs for Web pages about those things. The HTTP Range discussion I mentioned was an attempt to say that a # on the end of a URI meant you were using the URI as a surrogate for a person (or was it the absence of a #? I forget). Hope this helps. Liam -- Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/ Pictures from old books: http://fromoldbooks.org/ Ankh: irc.sorcery.net irc.gnome.org freenode/#xml
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