- From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
- Date: Wed, 23 Jan 2002 13:30:40 -0500
- To: hendler@cs.umd.edu
- Cc: www-webont-wg@w3.org
From: Jim Hendler <hendler@cs.umd.edu>
Subject: Re: defaults
Date: Wed, 23 Jan 2002 12:20:27 -0500
[...]
> Peter - this is because you're thinking as a logician, not a
> programmer.
Well if I was thinking like a programmer, I would be even more dissatisfied
with ``randomly chooses one of the frames to inherit the slot from''.
[...]
> The IDO
> inheritance, which you refer to above, has no tie breaking rule - so
> in the VERY unlikely case of a perfect tie by that heuristic, we
> would flip a coin.
Hmm, very unlikely? Not by my metrics. My understanding is that
Student => Person
Employee => Person
Student - employmentCategory -> notWorking
Employee - employmentCategory -> working
John -> Student
John -> Employee
is a perfect tie by that heuristic, as is the Nixon diamond.
[...]
peter
Received on Wednesday, 23 January 2002 13:31:18 UTC