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RE: SKOS Extensions ... broaderDirect/narrowerDirect ... ?

From: Miles, AJ \(Alistair\) <A.J.Miles@rl.ac.uk>
Date: Thu, 2 Jun 2005 19:40:59 +0100
Message-ID: <F5839D944C66C049BDB45F4C1E3DF89DEE9D88@exchange31.fed.cclrc.ac.uk>
To: <public-esw-thes@w3.org>

N.B. this does beg the question as to whether skos:broader and skos:narrower should themselves be transitive, given that everyone will use them to make their assertions, or should rather not be transitive themselves but have super-properties that are transitive.

Food for thought.

Cheers,

Al.

---
Alistair Miles
Research Associate
CCLRC - Rutherford Appleton Laboratory
Building R1 Room 1.60
Fermi Avenue
Chilton
Didcot
Oxfordshire OX11 0QX
United Kingdom
Email:        a.j.miles@rl.ac.uk
Tel: +44 (0)1235 445440



> -----Original Message-----
> From: public-esw-thes-request@w3.org
> [mailto:public-esw-thes-request@w3.org]On Behalf Of Miles, AJ 
> (Alistair)
> Sent: 02 June 2005 19:33
> To: public-esw-thes@w3.org
> Subject: SKOS Extensions ... broaderDirect/narrowerDirect ... ?
> 
> 
> 
> Hi all,
> 
> The properties skos:broader and skos:narrower are transitive. 
>  This means that in an open world, it's impossible to know 
> whether one concept is the immediate parent of another, which 
> makes e.g. building tree representations hard.  One way 
> around this is to define sub-properties of 
> skos:broader/skos:narrower that are not transitive, and use 
> these to make assertions.  
> 
> Given this requirement, I was thinking of putting a couple of 
> properties into the SKOS Extensions Vocabulary [1] called 
> something like 'broaderDirect' and 'narrowerDirect' ... any 
> objections?
> 
> Cheers,
> 
> Al.
> 
> [1] http://www.w3.org/2004/02/skos/extensions/spec/
> 
> ---
> Alistair Miles
> Research Associate
> CCLRC - Rutherford Appleton Laboratory
> Building R1 Room 1.60
> Fermi Avenue
> Chilton
> Didcot
> Oxfordshire OX11 0QX
> United Kingdom
> Email:        a.j.miles@rl.ac.uk
> Tel: +44 (0)1235 445440
> 
> 
> 
Received on Thursday, 2 June 2005 18:41:00 UTC

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