- From: Sandro Hawke <sandro@w3.org>
- Date: Sun, 12 Mar 2006 19:50:05 -0500
- To: "Gerd Wagner" <wagnerg@tu-cottbus.de>
- Cc: public-rif-wg@w3.org
> > I think the key question is to what extent we want to support > > different > > types of semantics for rules with the same syntax. > > Is that really a good thing? > > Are you asking if it's really a good thing to support > both derivation rules and integrity rules/constraints? > (These two types of rules are distinguished both in SQL > and in OCL.) My understanding is that derivation rules and integrity constraints are just a bifurcation of Horn rules (or sometimes the two halves of something beyond Horn). As such they fit easily into the same semantics. - sandro
Received on Monday, 13 March 2006 00:50:13 UTC