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Re: SPARQL best practice for egov?

From: Michael Hausenblas <michael.hausenblas@deri.org>
Date: Fri, 23 Apr 2010 14:24:02 +0100
To: Cory Casanave <cory-c@modeldriven.com>
CC: public-egov-ig IG <public-egov-ig@w3.org>
Message-ID: <C7F75E02.FA80%michael.hausenblas@deri.org>

Cory,

> Can we set a "best practice" for open government data?  My preference
> would be the first.  Thoughts?

Three things (as inputs) come immediately to mind:

 + SPARQL + pubsubhubbub = sparqlPuSH [1]
 + SPARQL 1.1 Service Description [2]
 + Leveraging RFC5785 (Defining Well-Known URIs) [3]

Cheers,
      Michael

[1] http://apassant.net/blog/2010/04/18/sparql-pubsubhubbub-sparqlpush
[2] http://www.w3.org/TR/sparql11-service-description/
[3] http://tools.ietf.org/html/rfc5785

-- 
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: Cory Casanave <cory-c@modeldriven.com>
> Date: Fri, 23 Apr 2010 09:16:53 -0400
> To: public-egov-ig IG <public-egov-ig@w3.org>
> Subject: SPARQL best practice for egov?
> Resent-From: <public-egov-ig@w3.org>
> Resent-Date: Fri, 23 Apr 2010 13:17:23 +0000
> 
> We had some discussion about the relationship between a RDF URL and a
> SPARQL endpoint as well as other resources such as graph metadata.  The
> conclusion seemed to be that there are various vocabularies where a
> triple in the graph could point to the endpoint that points to metadata.
> The issue with this is that you would then have to get the entire graph
> to get this one triple - which kind of missed the point if you have a
> large dataset that you want to query instead of download.
> 
>  
> 
> I can imagine two conventions that could help solve this:
> 
> 1) That every resource should respond to a SPARQL endpoint.  This would
> then allow you to query that one resource directly to subset the data
> and/or to get the triple that points to metadata.
> 
> 2) That a standard manipulation is done on a URI to get metadata about
> resources, which would include the query point.  For example:
> http://www.example.com/rdf/people.rfd#cory could have metadata at
> http://www.example.com/rdf/metadata.rdf.  There are some existing
> solutions that use this approach.
> 
>  
> 
> Can we set a "best practice" for open government data?  My preference
> would be the first.  Thoughts?
> 
>  
> 
> -Cory
> 
Received on Friday, 23 April 2010 13:24:37 GMT

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