W3C home > Mailing lists > Public > www-rdf-rules@w3.org > October 2001

RE: newbie

From: Wagner, G.R. <G.R.Wagner@tm.tue.nl>
Date: Thu, 25 Oct 2001 14:53:33 +0200
Message-ID: <511BB18E82E9D11188230008C724064602D9DE4A@tmex1.tm.tue.nl>
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 Wagner        Email: G.Wagner@tm.tue.nl
Eindhoven University of Technology
Faculty of Technology Management
Department of Information & Technology 
Received on Thursday, 25 October 2001 08:53:36 UTC

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