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RE: BioPAX-discuss / "processing" RDF

From: Hammond, Tony <T.Hammond@nature.com>
Date: Tue, 10 Aug 2004 10:18:19 +0100
Message-ID: <125F7834E11A5741A7D79412EE3504F90CE55785@UK1APPS2.nature.com>
To: 'Internet Business Logic' <ibl@snet.net>, Eric.Neumann@aventis.com
Cc: public-semweb-lifesci@w3.org
> A problem with RDF-based inference is that it quickly becomes
human-opaque, because the notation is machine-oriented and the inferences
are, well, intricate.
 
Important to note that RDF does not have any native 'notation' - it has a
data model which lends itself to multiple notations (or serializations) -
some of which may be less opaque than others. As noted elsewhere the problem
with RDF notations is not XML or whatever, it is the simple fact that
resources, properties, etc are identified by URIs - which themselves can
easily become non-human-transcribable (contrary to the principles laid out
in RFC2396, sect.1.5).
 
Cheers,
 
Tony

-----Original M  essage-----
From: public-semweb-lifesci-request@w3.org
[mailto:public-semweb-lifesci-request@w3.org] On Behalf Of Internet Business
Logic
Sent: 10 August 2004 03:55
To: Eric.Neumann@aventis.com
Cc: public-semweb-lifesci@w3.org
Subject: BioPAX-discuss / "processing" RDF


Hi Eric --

On Mon, 9 Aug 2004 11:07:55 you wrote...

'For those not comfortable in "processing" RDF (don't base your opinion on
trying reading RDF by eye), I suggest trying out JENA or CWM to see what is
possible in this space.'

Actually, even more is possible in this space.  A problem with RDF-based
inference is that it quickly becomes human-opaque, because the notation is
machine-oriented and the inferences are, well, intricate.

There's a demo called RDFQueryLangComparison1 that shows how to overcome
some of this difficulty.
One can run it by pointing a browser to the site listed below.  (The file
can also be downloaded from the link "Complete Examples")

The basic idea is to specify the inferences in rules that are close to
English (and open vocabulary).  Then, inferences that wind tortuously over
schema and base levels, use reification, etc, become clearer.  A plus is
that the representation shift allows the generation of step-by-step
English-like explanations of inference results.

HTH,    -- Adrian Walker


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Received on Tuesday, 10 August 2004 09:23:21 GMT

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