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Subject: Re: [xdi] Groups - XDI RDF v8 Comments-Barnhill (pdf) (XDI RDF v8 Comments-Barnhill.pdf) uploaded
- From: Giovanni Bartolomeo <giovanni.bartolomeo@uniroma2.it>
- To: barnhill_william@bah.com
- Date: Tue, 11 Mar 2008 16:29:43 +0100
Dear Bill, All,
reading your comments about XDI RDF v8
(
http://www.oasis-open.org/committees/download.php/27112/XDI%20RDF%20v8%20Comments-Barnhill.pdf
) I've found this sentence:
One problem with the 3-Segment syntax is
that the N-Segment syntax uses cross-references for
reification. This means 3-Segment syntax has to have a different notation
for a subject which is the
statement itself rather than the object of the statement. The 3-Segment
notation for this is a crossreference
within a cross-reference: (()). So a subject of (s/p/o) asserts s/p/o and
starts a new statement
whose subject is o, while a subject of ((s/p/o)) asserts s/p/o and starts
a new statement whose subject is
the statement s/p/o. For example to say that =Drummond is author of the
statement =Bill.Barnhill is a
contributor to the resource represented by @example we would use the
XRI:
((@example/+dc+contributor/=Bill.Barnhill))/+dc+author/=Drummond.
Well, I'm wondering how N3 syntax (and consequently X3 simple)
addresses this problem:
If my understanding is correct, the N3 syntaxt
<s1> <p1> <o1>
<o1> <p2> <o2>
is equivalent to X3 simple
s1
p1
o1
p2
o2
what if I want to express that the whole statement <s1>
<p1> <o1> is the subject of <p2> <o2>? How this
can be represented with X3 Simple?
Breaking into a new subcontext doesn't seem to help, as this explicitly
introduce a new subject!
s1
p1
/
s2
p2
o2
Whereas I just want that the whole statement (s1/p1/o1) is the subject of
p2!
What do you think? Am I missing something?
Thanks,
Giovanni
At 11.06 07/02/2008, barnhill_william@bah.com wrote:
The document named XDI RDF v8
Comments-Barnhill (pdf) (XDI RDF v8 Comments-Barnhill.pdf) has been
submitted by Mr. William Barnhill to the OASIS XRI Data Interchange (XDI)
TC document repository. Document Description: View Document Details:
http://www.oasis-open.org/apps/org/workgroup/xdi/document.php?document_id=27112
Download Document:
http://www.oasis-open.org/apps/org/workgroup/xdi/download.php/27112/XDI%20RDF%20v8%20Comments-Barnhill.pdf
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