[protege-user] Bottom Object and Data properties?
Michael DeBellis <[email protected]>
| Newsgroups | gmane.comp.misc.ontology.protege.owl |
|---|---|
| Message-ID | <CALGFikeBmMwFRonpR-5ppPitBy_09RQu9gtS==XYxBFW8mFXyw@mail.gmail.com> |
I've been writing up some extended documentation for OWL and Protege. ChatGPT just told me something I want to double check. I was working on some basic SPARQL queries to do manipulations like add labels to classes and properties and I wondered: is there an equivalent "bottom" for object and data properties that is analogous to owl:Nothing for classes? ChatGPT says that there is but that most tools (and I think Protege is like this) don't bother to show it the way they show owl:Nothing. Just wanted to verify that this is correct and that owl:bottomObjectProperty and owl:bottomDataProperty exist but aren't shown in Protege. (I think there is no equivalent for Annotation Properties because there is no need, the only reason you need those is for reasoning and annotation props aren't seen by the reasoner). Michael https://www.michaeldebellis.com/blog _______________________________________________ protege-user mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/protege-user