Ian Horrocks wrote: >> >> * 1.2.1 >> >> """ >> An OWL 2 RL entailment checker >> [...] MUST return True only when O1 entails O2, >> and it must return False >> only when FO(O1) ? R does not entail FO(O2) >> under the standard first-order semantics >> """ >> This is again a naming issue, a bit like Michael's question on how to refer to RDF vs. model theoretical semantics. But what exactly do we mean here by 'standard first order semantics'? I have an idea, for sure, but we may have to at least put a clear reference here... (RIF?) Ivan -- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
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