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[GRDDL Primer] Some remarks

From: Hausenblas, Michael <michael.hausenblas@joanneum.at>
Date: Tue, 10 Oct 2006 12:44:54 +0200
Message-ID: <768DACDC356ED04EA1F1130F97D29852E0233F@RZJC2EX.jr1.local>
To: <public-grddl-comments@w3.org>
Cc: "Hausenblas, Michael" <michael.hausenblas@joanneum.at>

Dear GRDDLer!

The Primer is a good starting point to become familiar with GRDDL.
As I'm interested in utilising GRDDL (my background is that of media
semantics, cf. [MMSEM XG])
in the realm of multimedia (semantics), the following might rather be
understood as questions than
change requests:

1) Source: Textual/non-XML vs. XML vs. Other
To me it reads that GRDDL focuses on XML-sources which is fair, but how
about to also take other
sources into account. You mentioned Wikis in the UC-document (but still
in the XHTML-format, right?).
I could even imagine a broader application, using GRDDL style to e.g.
extract EXIF [EXIF-RDF] from images ...

2) Exploiting existing Web Sources
When playing around with GRDDL I often ask myself why not using existing
sources/formats (Google, eBay, etc.) as
a starting point. IMHO this might help in enabling GRDDL to take off
faster; this is also related with (Web 2.0 stuff)
as Tagging - we have a UC in our MMSEM XG group as well that tackles
this issue.

3) Reasoning
Looking at the example in the Primer where SPARQL is used to demonstrate
the usage of the extracted RDF there
should also be some statement about reasoning (w.r.t. a schema/an
ontology) in it. Or put in other words, 
playing the advocatus diaboli: What is RDF worth without it? :)


[MMSEM XG] http://www.w3.org/2005/Incubator/mmsem/
[EXIF-RDF] http://www.w3.org/2003/12/exif/

 Michael Hausenblas, MSc.
 Institute of Information Systems & Information Management
 JOANNEUM RESEARCH Forschungsgesellschaft mbH
 Steyrergasse 17, A-8010 Graz, AUSTRIA

    phone: +43-316-876-1193 (fax:-1191)   
   e-mail: michael.hausenblas@joanneum.at
      web: http://www.joanneum.at/iis/ 

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Received on Tuesday, 10 October 2006 10:45:06 UTC

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