- From: Holger Knublauch <holger@topquadrant.com>
- Date: Mon, 30 Oct 2023 16:49:51 +0100
- To: Hugh Glaser <hugh@glasers.org>
- Cc: Dan Brickley <danbri@danbri.org>, W3C Semantic Web <semantic-web@w3.org>
OTOH rdfs:superClass would have been consistent with rdf:type, rdfs:label etc. And don't get me started on hasXY names... Holger > On 30 Oct 2023, at 4:44 pm, Hugh Glaser <hugh@glasers.org> wrote: > > Wish away, mate :-) > > But nah, it is much more common in computing in general, and possibly RDF, to talk about subclass and subClassing, I think. > > In any case, if you had called it superClass, then I would have had to look it up every time to check which way the relationship went. ;-) > And I'm sure you wouldn't want to upset me. > So it would have had to be hasSuperClass, which you would find wordy as well. > > There you go. > > Hugh > >> On 30 Oct 2023, at 15:27, Dan Brickley <danbri@danbri.org> wrote: >> >> >> No, we just wished we had called it “super-class” instead of “sub class of”. Same relationship just less wordy and backwards-sounding >> >> On Sat, 28 Oct 2023 at 13:28, Harshvardhan J. Pandit <me@harshp.com> wrote: >> Hi. >> We have rdfs:subClassOf defined in a standardised specification (RDFS). >> RDFS several times mentions 'superclass', but AFAIK there is no property >> or relation to make this explicit, i.e. >> >> ```turtle >> :A rdfs:subClassOf :B . # exists >> :B rdfs:superClassOf :A . # does this exist anywhere? >> ``` >> >> I can intuit why subclass relations are the most common and preferred >> methods of use - because anyone can extend the superclass from anywhere. >> And that either assertion can be inferred from the other (sub to super, >> vice-versa), but I also think having the superclass be 'aware' of >> subclasses is a good practice in maintaining ontologies e.g. to get a >> list of all subclasses which would normally require a query each time. >> >> (Likewise for rdfs:subPropertyOf and rdfs:superPropertyOf) >> >> Apologies in advance if this has already been answered somewhere (I >> would appreciate it if you point me to it). >> >> Regards, >> -- >> --- >> Harshvardhan J. Pandit, Ph.D >> Assistant Professor >> ADAPT Centre, Dublin City University >> https://harshp.com/ >> > > -- > Hugh > +44 7595 334155 > >
Received on Monday, 30 October 2023 15:50:10 UTC