Hi Jan Thx for the extra input here. Could there still be a case for owl full (actually as I see it (?): being no restrictions on the use of RDF + added owl clauses) Where there is no use of reasoners, say just for specification sake....(think nta option 2 ...).
Or would you say: if an owl reasoner cannot be applied, the semantics is actually so poor that there is no other useful application too?” Thx Michel Dr. ir. H.M. (Michel) Böhms Senior Data Scientist T +31888663107 M +31630381220 E [email protected]<mailto:[email protected]> Location<https://www.google.com/maps/place/TNO+-+Locatie+Delft+-+Stieltjesweg/@52.000788,4.3745183,17z/data=!3m1!4b1!4m5!3m4!1s0x47c5b58c52869997:0x56681566be3b8c88!8m2!3d52.000788!4d4.376707> [cid:[email protected]]<http://www.tno.nl/> This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. TNO accepts no liability for the content of this e-mail, for the manner in which you use it and for damage of any kind resulting from the risks inherent to the electronic transmission of messages. Van: [email protected] <[email protected]> Namens Jan Voskuil Verzonden: Tuesday, November 19, 2019 4:25 PM Aan: TopBraid Suite Users <[email protected]> Onderwerp: [topbraid-users] Re: combining owl and skos A very late after-burner (I am currently involved in similar discussions and stumbled upon this thread by accident): Have a look at Uschold's "Demystifying OWL". It is a good read, especially the two pages on punning. While there is little to add to what Irene and David have said, I think it is important to stress that when people say things like "I have a set of triples, and these imply OWL Full", what really is being said is that there is a deep and serious problem with the model being used. OWL Full does not solve these problems, nor does it cause interesting things to happen. It only guides an OWL-inferencer around the underlying problems, so that it does not break down. The original intention of the underlying model is not achieved, however. Introspective tools will not behave as expected. Irene's example about the BMW 240i is hard in any formal language, because of type theory being counter-intuitive. There is nothing one can do about that. Instead of trying to out-smart the semantics of RDF, it is most often better to bite the bullet and solve the issue in the model itself --- and accept the added complexity. On Tuesday, October 8, 2019 at 5:31:08 PM UTC+2, Bohms, H.M. (Michel) wrote: In: https://www.w3.org/2006/07/SWD/SKOS/skos-and-owl/master.html its is said: “ To illustrate these patterns, let's start with the following semi-formal conceptualisation: ex:mountains rdf:type skos:Concept; skos:prefLabel "Mountains"@en. ex:himalayas rdf:type skos:Concept; skos:prefLabel "Himalayas"@en; skos:broader ex:mountains. ex:everest rdf:type skos:Concept; skos:prefLabel "Everest"@en; skos:broader ex:himalayas. Overlay SKOS with OWL In this pattern, we use OWL to overlay additional semantics on the same vocabulary, e.g. by adding the following triples: ex:mountains rdf:type owl:Class. ex:himalayas rdf:type owl:Class; rdfs:subClassOf ex:mountains. ex:everest rdf:type ex:himalayas. If the two sets of triples are merged, then this pattern necessarily leads to an OWL Full representation, because an instance of skos:Concept might also be an instance of owl:Class. “ Is the red statement really true? And if yes, is it really an issue here? (maybe it was under owl1 but under owl2 not different?) thx for advice, Michel Dr. ir. H.M. 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