Re: Joint Committee telecon tomorrow 15 July: presentation syntax updated

From: Mike Dean ([email protected])
Date: 07/22/03

  • Next message: Harold Boley: "Re: Joint Committee telecon today 22 July"
    As an alternative approach to Webizing, I wonder if it would
    be reasonable to modify the presentation syntax grammar so
    that anywhere a
    
      symbol
    
    can appear,
    
      qname:symbol
    
    can also be used, e.g.
    
      sales:discount(sales:region->countries:US, ...)
    
    When used as a URI, a symbol without a QName would be
    interpreted as a same document reference with fragment (i.e.
    #symbol).
    
    This seems like a natural way to accommodate those who
    always expect to use URI naming, while gracefully allowing
    the use of local names/symbols.
    
    Use of : for QNames would preclude the use of : for typing,
    but a number of folks seem to feel it would be better anyway
    to just accommodate typing using separate atoms, e.g.
    replacing
    
      premium(Customer : ?cust)
    
    with
    
      premium(?cust)
      Customer(?cust)
    
    or
    
      premium(?cust)
      rdf:type(?cust, Customer)
    
    The current 'URI declarations' approach works here as well,
    e.g.
    
      owl:='http://www.w3.org/2002/07/owl#'
    
    Thoughts?
    
    	Mike
    


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