Peter writes: > It seems to me very much germane to discriminate between the profiles > based on their position related to the stance that everything is a > triple. Of the three profiles, OWL-R is the only one that has a version > that is "Full", i.e., uniformly treats all information as triples. Both > EL++ and DL-Lite distinguish between data (in the form of triples) and > other kinds of information (namely ontology information). > > It thus seems more accurate to say that of the three profiles OWL-R is > the only one that can indiscriminately handle triples without losing its > fundamental characteristics. Both EL++ and DL-Lite are completely > agnostic as to whether the underlying data model of non-fact axioms is > based on triples and could not deal with indiscriminate mixing of fact > triples and ontology triples. > > If I was trying to say this in as few words as possible I would probably > have said that OWL-R is the profile most closely tied to RDF, or even > that OWL-R is the only profile that is very RDF-ish. I think that last bit goes too far. I think a significant fraction of RDF users (I would guess 40% now, but climbing to 95% in ten years) stay outside of the pointy-brackets. They don't mess with the classes and predicates; they just use them. Those folks are using RDF, but not in a way that distinguishes between DL and Full. More-over, I think it's important that our specs say people SHOULD stay away situations where DL and Full differences matter. -- SandroReceived on Thursday, 10 April 2008 13:45:21 GMT
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