Re: draft responses for LC comment FH3/29

You made a specific comment about XQuerying QCRs out of an XML-friendly
serialization of RDF graphs, provided that some guidance is followed.
If you don't know how it would work, please retract your statement.

peter



From: Ivan Herman <ivan@w3.org>
Subject: Re: draft responses for LC comment FH3/29
Date: Mon, 09 Mar 2009 12:17:58 +0100

> Peter, do not expect me to get into some XQuery examples here, I am not
> an XQuery expert. And, again, do not shoot at the messenger... My only
> point is that this is the line Jan represented in his answer.
> 
> Ivan
> 
> Peter F. Patel-Schneider wrote:
>> From: Ivan Herman <ivan@w3.org>
>> Subject: Re: draft responses for LC comment FH3/29
>> Date: Mon, 09 Mar 2009 12:04:43 +0100
>> 
>>> First of all, don't shoot at the messenger...:-) But I try to anticipate
>>> the arguments.
>>>
>>> Peter F. Patel-Schneider wrote:
>>>> From: Ivan Herman <ivan@w3.org>
>>>> Subject: Re: draft responses for LC comment FH3/29
>>>> Date: Mon, 09 Mar 2009 10:17:40 +0100
>>>>
>>>>> In fact, re-reading Jan's comments, I realize that his remark is a
>>>>> little bit different. He understands that the motivation for having
>>>>> OWL/XML is to have something that works well in an XML infrastructure
>>>>> but his claim is that an RDF WG should come up with an XML encoding of
>>>>> RDF that would play well with XML (and use that to encode OWL) rather
>>>>> than having a separate OWL/XML syntax.
>>>> I don't see how this could work right.
>>>>
>>> Well, we do have a canonical RDF mapping of OWL. Ie, instead of mapping
>>> the result of the RDF mapping to RDF/XML, one could do this with
>>> another, XML-tool friendly XML encoding. I am not sure I understand the
>>> problem...
>>>
>>>> In the current XML serialization, it is possible to XQuery for things
>>>> like QCRs.  How would that work if QCRs are broken up into triples, even
>>>> if you could use XQuery to find triples of a particular flavour?
>>>>
>>> It of course all relies on having an RDF triples follow our mapping
>>> documents.
>> 
>> How would this work?  (I guess a multi-way join could do it, if you can
>> do joins in XQuery.  Even so it would be quite a complex and expensive
>> operation, as opposed to querying in the XML serialization.)
>> 
>>> Ivan
>> 
>> peter
> 
> -- 
> 
> Ivan Herman, W3C Semantic Web Activity Lead
> Home: http://www.w3.org/People/Ivan/
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Received on Monday, 9 March 2009 11:22:51 UTC