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Re: Universal distributed open government data catalog?

From: Michael Hausenblas <michael.hausenblas@deri.org>
Date: Sun, 14 Feb 2010 11:09:24 +0000
To: Peter Krantz <peter.krantz@gmail.com>, Antti Jogi Poikola <antti.poikola@gmail.com>
CC: Ed Summers <ehs@pobox.com>, eGov IG <public-egov-ig@w3.org>, "jussi.arpalahti" <jussi.arpalahti@iki.fi>
Message-ID: <C79D8A64.CECB%michael.hausenblas@deri.org>
Peter, Antti,

> That is a candidate, but I am not sure the near instant
> notificationness is necessary. A much simpler first step is to publish
> an atom feed containing some standardized info about a dataset (maybe
> using some basic terms from Void: http://semanticweb.org/wiki/VoiD).

In fact this is what we did in the LDC09 demo [1] (see the blog post [2]
that describes the demo), based on the dady vocabulary [3], an extension to
voiD that allows for coarse-grained descriptions of the data-source dynamics
as well as the discovery of change notification mechanism(s).

Cheers,
      Michael

[1] http://code.google.com/p/dady/wiki/Demos
[2] 
http://webofdata.wordpress.com/2009/12/04/ldc09-dataset-dynamcis-screencast/
[3] http://purl.org/NET/dady#
-- 
Dr. Michael Hausenblas
LiDRC - Linked Data Research Centre
DERI - Digital Enterprise Research Institute
NUIG - National University of Ireland, Galway
Ireland, Europe
Tel. +353 91 495730
http://linkeddata.deri.ie/
http://sw-app.org/about.html



> From: Peter Krantz <peter.krantz@gmail.com>
> Date: Sun, 14 Feb 2010 11:48:56 +0100
> To: Antti Jogi Poikola <antti.poikola@gmail.com>
> Cc: Ed Summers <ehs@pobox.com>, eGov IG <public-egov-ig@w3.org>,
> "jussi.arpalahti" <jussi.arpalahti@iki.fi>
> Subject: Re: Universal distributed open government data catalog?
> Resent-From: <public-egov-ig@w3.org>
> Resent-Date: Sun, 14 Feb 2010 10:49:27 +0000
> 
> On Sun, Feb 14, 2010 at 11:43, Antti "Jogi" Poikola
> <antti.poikola@gmail.com> wrote:
>> How about using PubSubHubbub for synchronizing the data catalogs?
>> 
> 
> That is a candidate, but I am not sure the near instant
> notificationness is necessary. A much simpler first step is to publish
> an atom feed containing some standardized info about a dataset (maybe
> using some basic terms from Void: http://semanticweb.org/wiki/VoiD).
> 
> I'll try to create some sample information soon.
> 
> Regards,
> 
> Peter
> 
Received on Sunday, 14 February 2010 11:10:00 GMT

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