RE: RDF features in OWL 2

Hi Alan!

Alan Ruttenberg wrote:

>I am wondering about whether it is wise to consider these disallowed
>in OWL 2 DL, and hence making any RDF that uses them unusable in OWL
>DL.
>
>In the light of our resolution of issues 137 and 114, should use of
>these vocabulary terms be allowed as long as there is sufficient
>additional OWL declarations to make them usable in OWL DL?
>
>-Alan

For my interest: What do you exactly mean by this? In particular, I do not
understand how 114 and 137 come into play here. 

Michael

>On Mon, Nov 3, 2008 at 2:22 PM, Elisa F. Kendall <ekendall@sandsoft.com>
>wrote:
>> Thanks, Michael --
>>
>> That was our preliminary conclusion, but we wanted to confirm one last
>time,
>> "just to make sure" :).
>>
>> Best,
>>
>> Elisa
>>
>>
>> Michael Schneider wrote:
>>
>> Hi!
>>
>> I think Jie's question can easily be answered. Have a look in Section
>2.3 of
>> the Specification:
>>
>>   <http://www.w3.org/2007/OWL/wiki/Syntax#URIs_and_Namespaces>
>>
>> All the URIs asked for have an "rdf" namespace prefix, so they are
>reserved
>> according to Table 2. And none of these URIs appear in Table 3
>("Reserved
>> Vocabulary with Special Treatment"). So the answer is "not supported
>in OWL
>> 2 DL" to all these URIs.
>>
>> The related (now closed) issue is ISSUE-104 ("dissallowed
>vocabulary").
>>
>> Further, there is no (explicit semantic) relationship between the
>original
>> RDF Reification ("rdf:Statement") and the new annotation-reification
>> ("owl:Axiom") vocabulary. We have introduced the latter as a
>resolution for
>> ISSUE-67 ("reification for axiom annotation").
>>
>> Michael
>>
>>
>>
>> -----Original Message-----
>> From: public-owl-wg-request@w3.org [mailto:public-owl-wg-
>request@w3.org]
>> On Behalf Of Ian Horrocks
>> Sent: Monday, November 03, 2008 2:24 PM
>> To: Jie Bao
>> Cc: W3C OWL Working Group
>> Subject: Re: RDF features in OWL 2
>>
>>
>> Sorry for the slow reply -- still catching up after the F2F and ISWC.
>>
>> Speaking for myself, I don't see any point in including these
>> features in the QR.
>>
>> Ian
>>
>>
>> On 23 Oct 2008, at 01:12, Jie Bao wrote:
>>
>>
>>
>> Hi All
>>
>> I'm not quite sure whether the following RDF features are still
>> supported in OWL 2
>>
>> * complex values using rdf:value, e.g.
>> http://www.w3.org/TR/2004/REC-rdf-primer-20040210/#example21
>> * RDF containers
>> * RDF reification (in particular, I'm not sure about its relationship
>> to owl:Axiom reification)
>>
>> I'm asking for decisions on whether to include them in the quick
>> reference. I didn't see their presence in any of the existing OWL 2
>> documents. Thanks in advance.
>>
>> Jie
>>
>>
>>
>> --
>> Dipl.-Inform. Michael Schneider
>> FZI Forschungszentrum Informatik Karlsruhe
>> Abtl. Information Process Engineering (IPE)
>> Tel  : +49-721-9654-726
>> Fax  : +49-721-9654-727
>> Email: Michael.Schneider@fzi.de
>> Web  : 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
>> Az: 14-0563.1 Regierungspräsidium Karlsruhe
>> Vorstand: Rüdiger Dillmann, Michael Flor, Jivka Ovtcharova, Rudi
>Studer
>> Vorsitzender des Kuratoriums: Ministerialdirigent Günther Leßnerkraus
>>
>>