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Re: Couple of changes needed in R2RML namespace doc

From: Richard Cyganiak <richard@cyganiak.de>
Date: Wed, 25 Jul 2012 19:03:09 +0100
Cc: Public-Rdb2rdf-Wg RDB2RDF <public-rdb2rdf-wg@w3.org>
Message-Id: <96DE24C6-2C1C-4ED7-B786-4B4AADF9BBE8@cyganiak.de>
To: Boris Villazón-Terrazas <bvillazon@fi.upm.es>, Ivan Herman <ivan@w3.org>
Boris, Ivan,

I guess that Ivan needs to deploy those?

Best,
Richard


On 17 Jul 2012, at 00:11, Boris Villazon-Terrazas wrote:

> Hi Ivan, Richard
> 
> You can find at [1] a zip file containing
> - the html file describing the vocab.
> - the ttl file that contains the vocab in Turtle format
> - the rdf file that contains the vocab in RDF/XML format
> 
> Best,
> 
> Boris
> 
> 
> [1] http://mccarthy.dia.fi.upm.es/rdb2rdf/vocab/r2rml.zip
> 
> On Jul 13, 2012, at 7:43 PM, Richard Cyganiak wrote:
> 
>> Hi Boris,
>> 
>> A few changes are needed in the R2RML namespace document.
>> 
>> http://www.w3.org/ns/r2rml
>> 
>> The vocabulary has a property rr:refObjectMap which doesn't exist in the language any more.
>> 
>> The range of rr:objectMap should be the union of rr:ObjectMap and rr:RefObjectMap.
>> 
>> The new class rr:TermMap needs to be added. It is a superclass of rr:SubjectMap, rr:PredicateMap, rr:ObjectMap and rr:GraphMap. Suggested additional triples:
>> 
>> rr:TermMap rdfs:label "Term Map"@en.
>> rr:TermMap rdfs:comment "A function that generates an RDF term from a logical table row."@en.
>> 
>> I think the current RDFS document can be simplified a bit by using rr:TermMap in a few places where currently the union of the four subclasses is used.
>> 
>> Thanks and all the best,
>> Richard
> 
> 
Received on Wednesday, 25 July 2012 18:03:37 UTC

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