How would you model that a potential relationship exists between two classes, but doesn't always...

Difference between OWL, RDF, TTL...

what does the @prefix do in sparql?...

writing an swrl rule that checks if an individual with some condition doesn't exist then infer s...

When defining a class in OWL, how to constrain that an object property must refer to the same indivi...

Can you assert an object property based on the property of another individual using the OWL 2 Functi...

How to create data property of type URL in protege...

Does SWRL Protege Drools engine infer knowledge from owl:equivalentClass?...

Can disjoint classes in an ontology share the same data properties?...

Protege import schema from schema.org...

Missing SWRL tab in Protege 4...

Creating New Classes and Individuals with SWRL in Protege...

How to generate specific inference using owlapi?...

Not able to get all subclasses from Protégé query...

Ontology property definition in Protégé-OWL / SWRL...

OWL: Create a class definition that has multiple object properties that need to be related?...

OWL negate object property...

OWLViz not displaying diagram centrally...

"Ignoring transitivity and/or complex subproperty axioms"...

Ontology where the same word has different meaning in different contexts?...

Accessing values from definstances in CLIPS...

How to use Qualified Number Restrictions in Protege for OWL...

Jess rule definition...

Sparql Query for every Individual with specific label...

How assert data property for classes in Protege?...

isA relationship: how can we model it in protege? What is its difference with Instance?...

Protege - DL Query and subclasses...

What is data range expression protege?...

Modelling class as complement / negation of Parent Sibling Class OWL/Protege...

OWLAPI access objectProperty value in a superClass axiom...