Re: Implemented Resolution of LC Comment 34 (TQ) on property chains in RDF-Based Semantics

Ian Horrocks wrote:
> OK, so at least Mapping to RDF and Profiles. User facing docs are not at
> LC but we still shouldn't forget to update them.
> 

As Michael hinted at, the Primer document certainly talks about chains, too.

Ivan

> ian
> 
> 
> On 2 Mar 2009, at 21:56, Michael Schneider wrote:
> 
>>
>>
>> -- 
>> Dipl.-Inform. Michael Schneider
>> Research Scientist, Dept. Information Process Engineering (IPE)
>> Tel  : +49-721-9654-726
>> Fax  : +49-721-9654-727
>> Email: schneid@fzi.de
>> WWW  : http://www.fzi.de/ipe/eng/mitarbeiter.php?id=555
>>
>> ============================================================================
>>
>> ==
>>
>> FZI Forschungszentrum Informatik an der Universität Karlsruhe
>> Haid-und-Neu-Str. 10-14, D-76131 Karlsruhe
>> Tel.: +49-721-9654-0, Fax: +49-721-9654-959
>> Stiftung des bürgerlichen Rechts
>> Stiftung Az: 14-0563.1 Regierungspräsidium Karlsruhe
>> Vorstand: Prof. Dr.-Ing. Rüdiger Dillmann, Dipl. Wi.-Ing. Michael Flor,
>> Prof. Dr. rer. nat. Dr. h.c. Wolffried Stucky, Prof. Dr. rer. nat. Rudi
>> Studer
>> Vorsitzender des Kuratoriums: Ministerialdirigent Günther Leßnerkraus
>>
>> ============================================================================
>>
>> ==
>>
>>
>>> -----Original Message-----
>>> From: Ian Horrocks [mailto:ian.horrocks@comlab.ox.ac.uk]
>>> Sent: Monday, March 02, 2009 10:52 PM
>>> To: Michael Schneider
>>> Cc: Boris Motik; Peter Patel-Schneider; OWL Working Group WG
>>> Subject: Re: Implemented Resolution of LC Comment 34 (TQ) on property
>>> chains in RDF-Based Semantics
>>>
>>> Excellent.
>>>
>>> I incorporated this into the response JC1b.
>>>
>>> I suppose that we also need to change (at least?) the Mapping to RDF.
>>
>> Also the RL rules in the Profiles document, because they also treat sub
>> property chains.
>>
>> And probably also the user facing documents that contain RDF code, unless
>> they do not talk about property chains.
>>
>>> Ian
>>
>> Cheers,
>> Michael
>>
>>> On 25 Feb 2009, at 04:19, Michael Schneider wrote:
>>>
>>>> Hi!
>>>>
>>>> LC Comment 34 (Top Quadrant) on "Property chain inclusion
>>>> axioms" [1] (under "Other comments") stated:
>>>>
>>>> """
>>>> We have some concerns with the use of blank nodes
>>>> in the subPropertyOf triple corresponding to a RIA.
>>>> [...]
>>>> We believe introducing a new property in the RDF mapping
>>>> for RIA and avoiding the use of subPropertyOf
>>>> is probably a better trade off here.
>>>> """
>>>>
>>>> At F2F5, the working group has decided [2a] to change the current
>>>> RDF encoding of sub property chain axioms to a single triple form,
>>>> which avoids the blank node on the left hand side and the use of
>>>> "subPropertyOf". The new vocabulary term
>>>> "owl:propertyChainAxiom" [2b] has been introduced.
>>>>
>>>> I have implemented this resolution in the RDF-Based Semantics. See
>>>> the diff at [3].
>>>>
>>>> Cheers,
>>>> Michael
>>>>
>>>> [1] LC Comment: <http://lists.w3.org/Archives/Public/public-owl-
>>>> comments/2009Jan/att-0051/index.html>
>>>> [2a] Resolution: <http://www.w3.org/2009/02/24-owl-irc#T16-34-32-1>
>>>> [2b] Addendum: <http://www.w3.org/2009/02/24-owl-irc#T16-33-31>
>>>> [3] Diff: <http://www.w3.org/2007/OWL/wiki/index.php?title=RDF-
>>>> Based_Semantics&diff=18494&oldid=18493>
>>>>
>>>> -- 
>>>> Dipl.-Inform. Michael Schneider
>>>> Research Scientist, Dept. Information Process Engineering (IPE)
>>>> Tel  : +49-721-9654-726
>>>> Fax  : +49-721-9654-727
>>>> Email: schneid@fzi.de
>>>> WWW  : http://www.fzi.de/ipe/eng/mitarbeiter.php?id=555
>>>>
>>>> ======================================================================
>>>> ========
>>>>
>>>> FZI Forschungszentrum Informatik an der Universität Karlsruhe
>>>> Haid-und-Neu-Str. 10-14, D-76131 Karlsruhe
>>>> Tel.: +49-721-9654-0, Fax: +49-721-9654-959
>>>> Stiftung des bürgerlichen Rechts
>>>> Stiftung Az: 14-0563.1 Regierungspräsidium Karlsruhe
>>>> Vorstand: Prof. Dr.-Ing. Rüdiger Dillmann, Dipl. Wi.-Ing. Michael
>>>> Flor,
>>>> Prof. Dr. rer. nat. Dr. h.c. Wolffried Stucky, Prof. Dr. rer. nat.
>>>> Rudi Studer
>>>> Vorsitzender des Kuratoriums: Ministerialdirigent Günther Leßnerkraus
>>>>
>>>> ======================================================================
>>>> ========
>>>>
>>
> 
> 

-- 

Ivan Herman, W3C Semantic Web Activity Lead
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