On Wed, 27 Jan 1999, Eric Miller wrote:
> Titia van der Werf wrote:
>
> > I have one question concerning the example given:
> >
> > <? xml version="1.0" ?>
> > <RDF xmlns = "http://www.w3.org/TR/WD-rdf-syntax#"
> > xmlns:DC = "http://metadata.net/dc/#"
> > xmlns:ADMIN = "http://metadata.net/admin/#" >
>
> > <Description xml:lang="en"
> > about = "http://metadata.net/admin/elements.html">
> > <DC:Title> Admin Core Metadata Element Specification </DC:Title>
> > <DC:Creator> Crystal, Jacky </DC:Creator>
> > <DC:Date> 1998-01-01 </DC:Date>
> >
> >
> > <ADMIN:CreatorCorporate> Rubble Corp <ADMIN:CreatorCorporate>
> > <ADMIN:CreatorEmail> [log in to unmask] </ADMIN:CreatorEmail>
> > <ADMIN:DateCreated> 1998-01-15 </ADMIN:DateCreated>
> > <ADMIN:DateValidFrom> 1998-02-01 </ADMIN:DateValidFrom>
> > <ADMIN:DateValidTo > 1999-02-01 </ADMIN:DateValidTo>
> > </Description>
> > </RDF>
> >
> > How can you be sure that the admin-set relates to the DC-set? is it enough
> > that both are within the same <Description> </Description> tag? Or should
> > the DC-set contain a Relation tag with a pointer to the ADMIN-set and vice
> > versa should the ADMIN-tag contain a Relation-tag pointing to the DC-set?
>
> Excellent question. I would assert, in the above example both vocabularies
> (DC and ADMIN) are begin used to describe the resource located at
> http://metadata.net/admin/elements.html.
Yes, the RDF's pretty unambiguous on this. These are statements which
constitute a 'Description' 'about' the resource
'http://metadata.net/admin/elements.html'. Hence:
> > <Description xml:lang="en"
> > about = "http://metadata.net/admin/elements.html">
> > [...]
I may be wrong, but I don't believe
> this is what the authors intended (Ren, Debbie?). If the desire is to
> describe a description (e.g. in this case associate the "administrative"
> information with the "descriptive" information) , the following would
> accomplish this:
>
> <?xml version='1.0'?>
> <RDF xmlns = "http://www.w3.org/TR/Rec-rdf-syntax"
> xmlns:DC = "http://purl.org/dc/elements/1.0/"
> xmlns:ADMIN = "http://metadata.net/admin#">
>
> <Description xml:lang="en" about = "http://metadata.net/admin/elements.html"
> bagid = "mydescription">
> <DC:Title> Admin Core Metadata Element Specification </DC:Title>
> <DC:Creator> Crystal, Jacky </DC:Creator>
> <DC:Date> 1998-01-01 </DC:Date>
> </Description>
>
> <Description about = "mydescription">
Shouldn't this be <Description about = "#mydescription"> ?
Dan
> <ADMIN:CreatorCorporate> Rubble Corp </ADMIN:CreatorCorporate>
> <ADMIN:CreatorEmail> [log in to unmask] </ADMIN:CreatorEmail>
> <ADMIN:DateCreated> 1998-01-15 </ADMIN:DateCreated>
> <ADMIN:DateValidFrom> 1998-02-01 </ADMIN:DateValidFrom>
> <ADMIN:DateValidTo > 1999-02-01 </ADMIN:DateValidTo>
> </Description>
> </RDF>
>
> In this case, an RDF bagid is used to identify a description and all of the
> administrative information would apply to this set.
>
> > If the ADMIN set is separate from the DC-set you'll need a pointer anyway.
> > So I guess you need to add an element Relation to the ADMIN-set.
>
> Right. The Bearman, et.al. paper provides a suggestion on how (and why) one
> might want to associate the DC description with its associated administrative
> metadata, however, the above example is intentionally directional from the
> ADMIN to the DC set.
>
> --
> Eric Miller mailto:[log in to unmask]
> Research Scientist http://purl.oclc.org/net/eric
> Office of Research phone:614.764.6109
> OCLC Online Computer Library Center fax:614.764.2344
>
>
>
>
>
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