- From: Wagner, G.R. <G.R.Wagner@tm.tue.nl>
- Date: Thu, 25 Oct 2001 14:53:33 +0200
- To: "'Pat Hayes'" <phayes@ai.uwf.edu>
- Cc: www-rdf-rules@w3.org
> >What do you mean by "rule based system"? > >Do you mean rules in the sense of > > > >1) declarative logic programming (or deductive databases) > >for defining derived concepts and heuristics (without any > >state-changing effects)? These rules are called "derivation > >rules" in RuleML. > > > >2) SQL triggers (or "event-condition-action rules") for > >specifying the reactive behavior of a system in response to > >events? These rules are called "reaction rules" in RuleML. > >They specify state changes in their head/consequent, and > >they may "call" derivation rules in their body/antecedent. > > > >3) production rule systems like JESS? They are just another > >programming language based on the rule metaphor but without > >any precise semantics for rules. > > > >Notice that this list is only concerned with a restricted > >form of 1). > > Has that been established? (When??) I thought that all > options were still open. Has there ever been a discussion on uses of rules other than for enhancing RDFS taxonomies/ontologies on this list? -Gerd -------------------------------------------- Gerd Wagner Email: G.Wagner@tm.tue.nl http://tmitwww.tm.tue.nl/staff/gwagner Eindhoven University of Technology Faculty of Technology Management Department of Information & Technology
Received on Thursday, 25 October 2001 08:53:36 UTC