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Re: Proposed response to: Unspecified domain,range in App. C of OWL Language Reference

From: Jim Hendler <hendler@cs.umd.edu>
Date: Mon, 14 Jul 2003 16:54:06 -0400
Message-Id: <p05200f14bb38c8cee38a@[10.0.0.229]>
To: Guus Schreiber <schreiber@cs.vu.nl>, WebOnt WG <www-webont-wg@w3.org>

Looks like a good answer to me - go ahead and send it - JH


At 4:58 PM +0200 7/14/03, Guus Schreiber wrote:
>Unspecified domain,range in App. C of OWL Language Reference
>http://lists.w3.org/Archives/Public/public-webont-comments/2003May/0044.html
>
>>  From: Richard H. McCullough (rhm@cdepot.net)
>>  Date: Fri, May 09 2003
>>
>>  There are several blanks in the table.
>>  Shouldn't any "missing" domain,range
>>  be replaced by owl:Thing?
>
>Richard,
>
>Thanks for your comment. The domain/range of some of the built-in OWL
>properties is left open on purpose:
>
>[[
>owl:hasValue  	domain: owl:Restriction range:
>]]
>
>The object of owl:hasValue can be either an individual or a literal,
>not just an individual (as a range of owl:Thing would imply). See
>sec. 3.1.2.1.3 of Reference:
>
>[[
>The value constraint owl:hasValue is a built-in OWL property that links
>a restriction class to a value V, which can be either an individual or
>a data value.
>]]
>
>[[
>owl:versionInfo domain:   range:
>]]
>
>The subject of owl:versionInfo is not restricted to a particular
>type, see Sec. 7.4.1:
>
>[[
>Although this property is typically used to make statements about
>ontologies, it may be applied to any OWL construct.
>]]
>
>The object of owl:versionInfo is often, but not necessarily, a string:
>
>[[
>An owl:versionInfo statement generally has as its object a string ....
>]]
>
>Please respond, cc-ing public-webont-comments@w3.org, whether this
>response is satisfactory.
>
>Regards,
>Guus Schreiber
>--
>Free University Amsterdam, Computer Science
>De Boelelaan 1081a, 1081 HV Amsterdam, The Netherlands
>Tel: +31 20 444 7739/7718
>E-mail: schreiber@cs.vu.nl
>Home page: http://www.cs.vu.nl/~guus/

-- 
Professor James Hendler				  hendler@cs.umd.edu
Director, Semantic Web and Agent Technologies	  301-405-2696
Maryland Information and Network Dynamics Lab.	  301-405-6707 (Fax)
Univ of Maryland, College Park, MD 20742	  *** 240-277-3388 (Cell)
http://www.cs.umd.edu/users/hendler      *** NOTE CHANGED CELL NUMBER ***
Received on Monday, 14 July 2003 16:54:11 GMT

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