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Re: Semantics of rdf:Statement

From: Dan Brickley <danbri@danbri.org>
Date: Wed, 6 Jan 2010 11:40:53 +0100
Message-ID: <eb19f3361001060240o7f011b41s23f020c14b5c700f@mail.gmail.com>
To: Toby Inkster <tai@g5n.co.uk>
Cc: Pat Hayes <phayes@ihmc.us>, darood <samatar.sharmarke@gmail.com>, semantic-web@w3.org
On Wed, Jan 6, 2010 at 11:30 AM, Toby Inkster <tai@g5n.co.uk> wrote:
> On Tue, 2010-01-05 at 00:54 -0600, Pat Hayes wrote:
>> On Jan 4, 2010, at 5:11 PM, darood wrote:
>>
>> > •     “sister of” - Symmetric
>>
>> No. Mary sisterOf John, but not John sisterOf Mary.
>
> Depending on your definition of "sister of" with regards to
> step-sisters, half-sisters, sisters-in-law, etc, the relation may be
> transitive though.

Yes, this is a good example of where carelessly over-simplistic models
can exclude people; mother/father and gender are other fields where an
over-enthusiastic ontologist could easily cause offence.

See also http://geeks-bearing-gifts.com/gbgContents.html

Dan
Received on Wednesday, 6 January 2010 10:41:22 UTC

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