Links and attributes not displaying between classes and their instances

[danielbakas (Daniel B.)]

Hi @Paul_Ambro!

I declared main:Dan as both an instance of main:Man and main:Citizen.

The main issue is, the explorer is not showing the rdf:type relation between main:Dan and the main:Man and main:Citizen classes, even though if I click to see the details of main:Man or I right-click and navigate to expand node by instances, the knowledge graph is aware that main:Dan is indeed a main:Man and a main:Citizen.

There's another issue related to an rdfs:subClassOf OWL EL reasoning axiom not being displayed as well, but I've created another issue on that one.

Thanks in advance!

Here's the example file:

@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix main: <http://www.example.com/> .
@prefix org: <http://www.w3.org/ns/org#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix so: <https://schema.org/> .
@prefix stardog: <tag:stardog:api:> .
@prefix time: <http://www.w3.org/2006/time#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix : <http://api.stardog.com/> .

<http://www.example.com/> a owl:Ontology .

foaf:gender a owl:DatatypeProperty .

main:Man a owl:Class ;
    rdfs:subClassOf foaf:Person ;
    owl:equivalentClass [
        a owl:Class ;
        owl:intersectionOf ( foaf:Person [
            a owl:Restriction ;
            owl:hasValue "man" ;
            owl:onProperty foaf:gender
        ] )
    ] .

foaf:Person a owl:Class .

main:Dan a main:Citizen , main:Man , owl:NamedIndividual .

main:Citizen a owl:Class ;
    rdfs:subClassOf foaf:Person .

main:ManCitizen a owl:Class ;
    owl:equivalentClass [
        a owl:Class ;
        owl:intersectionOf ( main:Citizen main:Man )
    ] .

And here are some screenshots: