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Re: SKOS Comment (Reference WD June 2008) - broaderTransitive < broader, narrowerTransitive < narrower

From: Alasdair Gray <agray@dcs.gla.ac.uk>
Date: Mon, 28 Jul 2008 11:22:25 +0100
Cc: <public-esw-thes@w3.org>, <public-swd-wg@w3.org>
Message-Id: <AB92B8A7-EDAC-45F7-BCC3-1046B014E708@dcs.gla.ac.uk>
To: Alistair Miles <alistair.miles@zoo.ox.ac.uk>

Hi Alistair,

(Sorry to take so long to get back to you)

I've just re-read Section 8.1 Preamble. For the type of document that  
the reference is, perhaps the existing text is correct. An example  
would be more correctly placed in the Primer.

Regards,

Alasdair

On 25 Jul 2008, at 16:26, Alistair Miles wrote:

> Hi Alasdair,
>
> On Fri, 2008-07-25 at 15:41 +0100, Alasdair Gray wrote:
>> Hi Alistair,
>>
>> Until the workshop in London at the start of this week I had been
>> unclear about when to use skos:broader and skos:broaderTransitive.
>> Antoine's talk really cleared this up for me.
>
> Yes, I thought his slide on this was very nice.
>
>> However, the way you
>> have worded the reply below would, I think, help. That is, give the
>> motivation for the two and then explain them. Perhaps an example  
>> helps
>> as well.
>
> Are you suggesting we use wording similar to that I gave below in the
> SKOS Reference? (I'm editing the new draft today, so can review
> wording.)
>
> Cheers,
>
> Alistair.
>
>>
>> Thanks to all the speakers on Monday,
>>
>> Alasdair
>>
>> On 25 Jul 2008, at 11:34, Alistair Miles wrote:
>>
>>>
>>> Dear Joao Alberto,
>>>
>>> Thank you for your comment.
>>>
>>> I know Antoine has already responded, but I thought I'd add a  
>>> slightly
>>> different way of looking at it:
>>>
>>> The property skos:broader represents a *direct* hierarchical link
>>> between
>>> two concepts.
>>>
>>> The property skos:broaderTransitive represents a *direct or  
>>> indirect*
>>> hierarchical link between two concepts.
>>>
>>> The set of *direct* links is clearly a sub-set of the set of *direct
>>> or
>>> indirect* links.
>>>
>>> Hence skos:broader is a sub-property of skos:broaderTransitive.
>>>
>>> The WG is very conscious that this point has caused a lot of
>>> confusion. Any
>>> suggestions for how to make this pattern clearer are warmly  
>>> welcomed.
>>>
>>> Kind regards,
>>>
>>> Alistair.
>>>
>>> --
>>> Alistair Miles
>>> Senior Computing Officer
>>> Image Bioinformatics Research Group
>>> Department of Zoology
>>> The Tinbergen Building
>>> University of Oxford
>>> South Parks Road
>>> Oxford
>>> OX1 3PS
>>> United Kingdom
>>> Web: http://purl.org/net/aliman
>>> Email: alistair.miles@zoo.ox.ac.uk
>>> Tel: +44 (0)1865 281993
>>>
>>>
>>>> -----Original Message-----
>>>> From: public-swd-wg-request@w3.org [mailto:public-swd-wg-
>>>> request@w3.org] On Behalf Of Ana Oliveira
>>>> Sent: 26 June 2008 03:44
>>>> To: public-swd-wg@w3.org
>>>> Subject: SKOS Comment (Reference WD June 2008) -  
>>>> broaderTransitive <
>>>> broader, narrowerTransitive < narrower
>>>>
>>>> Dear SKOS Editors,
>>>>
>>>> The definition S19 states that:
>>>>   "S19  skos:broader is a sub-property of skos:broaderTransitive  
>>>> and
>>>> skos:narrower is a sub-property of skos:narrowerTransitive".
>>>>
>>>> I think the correct form should be:
>>>>   "S19  skos:broaderTransitive is a sub-property of skos:broader  
>>>> and
>>>> skos:narrowerTransitive is a sub-property of skos:narrower".
>>>>
>>>> because "to be broader transitive" is a specific case of "to be
>>>> broader" (or narrower). The generic property should subsumes the
>>>> specific one.
>>>>
>>>>    If my comment is correct, it is necessary to adjust the "full  
>>>> set
>>>> of sub-property relationships" diagram (above "Example 53") to  
>>>> follow
>>>> this new hierarchy.
>>>>
>>>> Best
>>>>
>>>> Joao Alberto de Oliveira Lima
>>>>
>>>> PS. This same comment was done in March'08 by
>>>> http://lists.w3.org/Archives/Public/public-swd-wg/2008Mar/0089.html
>>>
>>>
>>>
>>
>> Dr Alasdair J G Gray
>> agray@dcs.gla.ac.uk
>> http://www.dcs.gla.ac.uk/~agray/
>> http://explicator.dcs.gla.ac.uk/
>>
>>
>>
>

Dr Alasdair J G Gray
agray@dcs.gla.ac.uk
http://www.dcs.gla.ac.uk/~agray/
http://explicator.dcs.gla.ac.uk/
Received on Monday, 28 July 2008 10:23:08 GMT

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