- From: Dan Brickley <danbri@danbri.org>
- Date: Wed, 6 Jan 2010 11:40:53 +0100
- 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