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Re: RDB structure to RDF mapping

From: Paul Tyson <phtyson@sbcglobal.net>
Date: Tue, 19 Apr 2016 13:13:42 -0500
Message-ID: <1461089622.1324.5.camel@sbcglobal.net>
To: Alessandro Seganti <a.seganti@cognitum.eu>
Cc: semantic-web@w3.org
On Mon, 2016-04-18 at 17:25 +0200, Alessandro Seganti wrote:
> Hi everyone,
> I want to formalize in RDF the table structure of a relational
> database. What I would like to do is to formalize the links that
> exists between all the tables inside a given relational database. This
> would result in a graph where the nodes are the tables and the links
> are the columns that can be used to join these tables.
> 
> 
> My question is: is there some standard/ontology to describe this? 
> 
> 
> To my understanding the R2RML ontology is to describe mappings between
> RDB and RDF (no RDB structure is mentioned). I also found a document
> about direct mapping but no ontology is defined in this document.
> 

When the RDB2RDF WG was working I suggested including an RDB ontology.
But it was considered out of scope so nothing of the sort was included
in their final deliverables.

http://lists.w3.org/Archives/Public/public-rdb2rdf-wg/2010Oct/0055.html

My work didn't (and doesn't) involve RDBMS deeply enough to pursue this,
so I don't know how valuable this would be for practical tasks.

Regards,
--Paul
> 
> 
> 
> Thank you for your help.
> Alessandro Seganti Ph.D.
> 
> Cognitum Sp. z o.o., Data Engineer
> 
> mail: a.seganti@cognitum.eu, tel: +48 22 250 2541, fax: +48 22 250 28
> 98
> 
> web: http://www.cognitum.eu/, fb: facebook.com/cognitum.eu
> 
> 
Received on Tuesday, 19 April 2016 18:14:14 UTC

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