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On 12/08/09 04:20, Michael Kay wrote: >> I definitely don't agree with Roger's idea of using QNames in >> data, either, though-IMHO that dangerously mixes metadata with data. >> > > But the notion that metadata and data can be separated is itself deeply > flawed. If I have two lines of business, "product sales" and "services", are > these two things data or metadata? You'll find some systems in which they > are data (rows), others in which they are metadata (columns). Similarly, if > I have three kinds of personnel, "salaried", "hourly-paid", and > "contractors". Or if I have 23 kinds of asset on the books, or 592 kinds of > equipment, I will sometimes want to treat these as types and sometimes as > instances. Mixing metadata and data is something we have to live with. > Functional data models rightly eliminate the distinction. > > Regards, > > Michael Kay > http://www.saxonica.com/ > http://twitter.com/michaelhkay I'd call prefixes syntactic sugar for 'JCNames'. Are namespaced elements metadata? Which would make tags metadata I guess. How else could we add metadata to tags? regards -- Dave Pawson XSLT XSL-FO FAQ. http://www.dpawson.co.uk
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