Slide/Webdav and RDF...

Thanks for the response Max, but I'm still looking for an
implementation
example as to how to use RDF with Jakarta Slide.

*How should the data be entered (With examples) that could
then be
searched on with DASL searching and, for those that want it,
with the
OAI/auto-metadata-searching technology. How should RDF be
handled for
namespacing within Jakarta Slide.  I'm referencing
http://www.fedora.info
as internally my company has been going back and
forth between Slide and Fedora.info and feature-wise Fedora
was winning
:-(

*Sample on how to put together a DASL search on RDF-based
metadata.

*Sample user interfaces that can take advantage of
auto-property
identity for what values are available for searching
(thinking more
generic, not necessarily RDF, but should consider RDF-based
metadata as
well as Slide-namespace metadata).  The <queryschema>
WebDAV tag is not
implemented as it is indeed optional/in discussion, but
there is still
no mechanism to support identifying -what- can be searched
on (maybe
just indexed properties?).

*And, for those that are knowledgable about RDF could also
supply
optional-implementation for Dublin Core data within Jakarta
Slide
(again, impementation/practical approach versus in-theory
please).

Just a thought from a user...

-D


 

> -----Original Message-----
> From: Max Pfingsthorn [mailto:m.pfingsthornhippo.nl]

> Sent: Tuesday, March 14, 2006 9:30 AM
> To: Slide Users Mailing List
> Subject: RE: Slide/Webdav and RDF...
> 
> Hi!
> 
> What is special about RDF values in properties? As far
as I 
> know, you can put any text in a property, including xml
(this 
> is special because IO is also in xml format). So you
can 
> store something RDFish in a property. Would that take
care of 
> your RDF idea? I'm not sure what you want to do with
it..
> 
> max
> 
> > -----Original Message-----
> > From: Darren Hartford [mailto:dhartfordghsinc.com]
> > Sent: Tuesday, March 14, 2006 14:34
> > To: Slide Users Mailing List
> > Subject: RE: Slide/Webdav and RDF...
> > 
> > 
> > That is comforting that Slide supports RDF.  I'm
still at a 
> lost as to 
> > how to implement, does anyone have a working
example?
> > 
> > Thanks,
> > -D
> > 
> > > -----Original Message-----
> > > From: Max Pfingsthorn
[mailto:m.pfingsthornhippo.nl]
> > > Sent: Tuesday, March 14, 2006 4:46 AM
> > > To: Slide Users Mailing List
> > > Subject: RE: Slide/Webdav and RDF...
> > > 
> > > Hi!
> > > 
> > > Erm, <DAV:allprop/> in
<DAV:select/> should work for DASLs. 
> > > This would give you all defined properties,
with the 
> exception of a 
> > > few like the versioning properties.
> > > 
> > > max
> > > 
> > 
> > 
>
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> > 
> > 
> 
>
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Darren Hartford wrote:
> Thanks for the response Max, but I'm still looking for
an implementation
> example as to how to use RDF with Jakarta Slide.
> 
> *How should the data be entered (With examples) that
could then be
> searched on with DASL searching and, for those that
want it, with the
> OAI/auto-metadata-searching technology. How should RDF
be handled for
> namespacing within Jakarta Slide.  I'm referencing
> http://www.fedora.info as
internally my company has been going back and
> forth between Slide and Fedora.info and feature-wise
Fedora was winning
> :-(
> 
> *Sample on how to put together a DASL search on
RDF-based metadata.
> 
> *Sample user interfaces that can take advantage of
auto-property
> identity for what values are available for searching
(thinking more
> generic, not necessarily RDF, but should consider
RDF-based metadata as
> well as Slide-namespace metadata).  The
<queryschema> WebDAV tag is not
> implemented as it is indeed optional/in discussion, but
there is still
> no mechanism to support identifying -what- can be
searched on (maybe
> just indexed properties?).
> 
> *And, for those that are knowledgable about RDF could
also supply
> optional-implementation for Dublin Core data within
Jakarta Slide
> (again, impementation/practical approach versus
in-theory please).
> 
> Just a thought from a user...

Hi,

from a pure protocol point of view, DASL currently isn't
capable of 
supporting generic search in RDF (this is simply because in
general, 
you'll need mixed content when storing RDF in WebDAV
properties, yet 
DASL's basicsearch doesn't support search in properties
like these).

That is, this would require an extension to what DASL
currently specifies.


Best regards, Julian

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