- From: Graham Klyne <gk-lists@dial.pipex.com>
- Date: Thu, 07 Dec 2000 15:55:58 +0000
- To: pat hayes <phayes@ai.uwf.edu>
- Cc: www-rdf-logic@w3.org
At 12:50 PM 12/4/00 -0600, pat hayes wrote: >Tim Berners-Lee *seems* to be saying that negation can be defined in RDF >by reification. I haven't had the benefit of direct conversation with TimBL on this topic, but based on his design issues "toolbox" paper I *think* he is claiming that negation can be defined using reification *and* introducing some new externally-defined concept; i.e. that base RDF alone is not sufficient. Which is what I understand you to be saying. #g ------------------------------------------------------------ Graham Klyne Content Technologies Ltd. Strategic Research <http://www.mimesweeper.com> <Graham.Klyne@mimesweeper.com> ------------------------------------------------------------
Received on Friday, 8 December 2000 10:25:24 UTC