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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Vocabulary Combination
 From: "Arjun Ray" <aray@n...> > | The namespaces set general semantics, > > I don't think this is true. The fact that a bunch of universal names share a > URI "prefix" is no more than a coincidence. They need not be parts of any > coherent schema at all. They're just a smorgasbord. "set" is the wrong word: I should have said "The namespaces evidence the original specific semantics, which we can think of as the general semantics that we may have diverged from." By which I mean the URI indicates who was the originator of the element, who *of course* has some semantic intent in the elements (even as a smorgasbord). This excludes that the namespace necessarily means that the element has been used correctly, or used in the same way as the originator, or use in the same kind of structures as the original. But if I have <dog xmlns=http://www.topologi.com/namespace/rj > to mean "an element representing my dog" you can certainly use it to mean something else. But if you give it to a third-party, they will try to find its meaning at that URLs, not on Arjun's website in the absense of special arrangement. The more that data is provided as a blind service, the less worthwhile divergences from the original specific semantics will be. I can put out a web page calling a "table" a "script", but people won't be able to use it. I think we need to allow for this spectrum of private divergence and public adherence to the originator's semantics when discussing namespaces: W3C standards in particular are often written with the tacet assumption that they describe what goes on for the public web, not what goes on behind-the-scenes. Consequently the world they embody may be unrecongnizable to someone in the trenches, for example someone working on publishing with no blind (i.e. you don't know who your customer is) web services. Cheers Rick Jelliffe 
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