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RE: RDF Question: about syntax of rdf container objects (Bag, Alt,

• From: Dan Brickley <Daniel.Brickley@b...>
• To: "'xml-dev@i...'" <xml-dev@i...>
• Date: Thu, 8 Apr 1999 13:01:32 +0100 (BST)

Ah, in that case I slightly misunderstood the question in my
posted-seconds-ago reply. The 'typedNode' abbreviated syntax is not, as
Jeffrey points out, mandatory, so while the second syntax below is always legal,
it's also always optional. IMHO it makes for more readable and
in-spirit-of-XML markup...

Dan

On Thu, 8 Apr 1999, Jeffrey E. Sussna wrote:

> No. RDF defines alternative syntax for particular abstract models. You may
> use whichever syntax you like. The examples you included are equivalent.
> This is part of both the flexibility and seeming difficulty at first glance
> of RDF. You can express a particular abstract model multiple ways in XML. It
> is important and helpful to remember that RDF is not XML. The RDF spec just
> happens to specify how to concretely represent RDF in XML.
> 
> Jeff
> 
> > -----Original Message-----
> > From: owner-xml-dev@i...
> > [mailto:owner-xml-dev@i...]On Behalf Of
> > Roger L. Costello
> > Sent: Thursday, April 08, 1999 4:43 AM
> > To: xml-dev@i...
> > Cc: www-rdf-comments@w...; costello@m...
> > Subject: Re: RDF Question: about syntax of rdf container objects (Bag,
> > Alt, Seq)
> >
> >
> > Dan Brickley wrote:
> > >
> > > Having an rdf:type property pointing to rdf:Bag is just RDF's way of
> > > telling us that the anonymous resource "is A" rdf:Bag.
> > >
> >
> > Is it *always* the case that if an RDF model has a resource with a
> > property rdf:type whose value is foo then rather than:
> >
> > <rdf:Description [attrs]>
> >     <rdf:type resoure="foo">
> >     [other properties]
> > </rdf:Description>
> >
> > the syntax is:
> >
> > <foo>
> >    [other properties]
> > </foo>
> >
> > Example:
> >
> > Rather than:
> >
> > <rdf:Description >
> >     <rdf:type resoure="rdf:Bag">
> >     [other properties]
> > </rdf:Description>
> >
> > the syntax is:
> >
> > <rdf:Bag>
> >    [other properties]
> > </rdf:Bag>
> >
> > /Roger
> >
> >
> > xml-dev: A list for W3C XML Developers. To post,
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> 


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• References:
  • RE: RDF Question: about syntax of rdf container objects (Bag, Alt, Seq)
    • From: "Jeffrey E. Sussna" <jes@k...>

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