Re: Issues with XML schemas in SPARQL Query Results XML Format Recommendation

Hi John,

Thank you for the comment.

I've added the first to the SPARQL Errata document:
https://www.w3.org/2013/sparql-errata#errata-results-2

The second problem is already recorded:
https://www.w3.org/2013/sparql-errata#errata-results-1

The errata document would be input to another W3C working group - there 
isn't a plan/timescale for that as far as I know,

There is a community group

http://w3c.github.io/rdf-tests/

looking after the test suite for RDF 1.1 and SPARQL 1.1

     Andy

On 05/09/18 14:03, John Walker wrote:
> Hi,
> 
> There are a couple of issues regarding XML Schemas in SPARQL Query Results XML Format Recommendation [1].
> 
> Firstly the method used to reference the XML Schema xsi:schemaLocation shown in the recommendation is incorrect.
> Pairs of URIs must be used to relate a namespace to the schema location:
> 
> <?xml version="1.0"?>
> <sparql xmlns="http://www.w3.org/2005/sparql-results#"
>          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>          xsi:schemaLocation="http://www.w3.org/2005/sparql-results# http://www.w3.org/2007/SPARQL/result.xsd">
> 
>    ...
> 
> </sparql>
> 
> Secondly the namespace defined in the recommendation (http://www.w3.org/2005/sparql-results#) is different from the one used in the various schemas (http://www.w3.org/2007/SPARQL/results#).
> As a result, the SPARQL Results Document XML will never validate using the schemas.
> The namespaces need to be aligned either by changing the recommendation (probably hard) or updating the schemas (probably easier).
> 
> [1] https://www.w3.org/TR/2013/REC-rdf-sparql-XMLres-20130321/#schemas
> 
> Regards,
> 
> John Walker
> Principal Consultant & co-founder
> 
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Received on Tuesday, 18 September 2018 09:40:35 UTC