Re: RDF Templates

From: Stefano Mazzocchi <stefanom_at_mit.edu>
Date: Thu, 23 Sep 2004 09:16:32 -0400

Chris,

sorry for the delay in answering this.

Chris Bizer wrote:

> Don't know if you have seen RDF Templates:
>
> RDF Templates (RDFT) are an XML format for creating representations of RDF
> graphs. In a similar way to XSLT, RDF Templates define template rules with
> patterns which are matched against nodes. Template rules specify output
> actions and further node selections which trigger further template
> operation. However, instead of acting on an XML tree, RDFT acts upon an RDF
> graph. Nodes are specified using a 'nodepath' syntax which defines
> conditional node/arc/node graph traversals. A macro definition facility is
> provided to reduce long nodepaths to easier to read strings.
>
> http://www.semanticplanet.com/2003/08/rdft/
>
> http://www.semanticplanet.com/2003/08/rdft/spec
>
> Not directly our direction, but maybe worth a look anyway.

Indeed very interesting.

I don't see how he solves the cyclic nodepath problem, but it's indeed a
think that I thought needed, especially if we want to achieve a
cocoon-like RDF pipelining capability (XSLT tends to be pretty
poor/hacky at transforming RDF since it works on the syntactic level,
not on the RDF data model directly)

Another thing I don't understand is why the name "templates", they don't
look like templates to me at all, but rather transformation rules.

-- 
Stefano Mazzocchi
Research Scientist                 Digital Libraries Research Group
Massachusetts Institute of Technology            location: E25-131C
77 Massachusetts Ave                   telephone: +1 (617) 253-1096
Cambridge, MA  02139-4307              email: stefanom at mit . edu
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Received on Thu Sep 23 2004 - 13:16:20 EDT

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