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1 vote
1 answer
108 views

I have two ontologies. The concept of "Level" is defined in different ways, but they are "equivalent". In ont1, "Level" is an owl:Class, while in ont2 it is defined as a ...
2 votes
0 answers
71 views

I have an ontology with many individuals that are each described by various datatype properties, however, the numbers and types of asserted properties per individual are different. The only common ...
1 vote
1 answer
54 views

I have some instances created by makeOWLThing , they have some random string, like abc123. They appear in protege as abc123 and in their details, their URI is example.com#abc123 How can I extract the ...
3 votes
1 answer
184 views

I'm encountering an issue when using SHACL with sh:closed true in combination with inheritance. Specifically, the problem arises when a subclass has properties that the super class does not. Here is ...
2 votes
1 answer
96 views

Let's query the code of OWL2 Ontology. $ http --follow get http://www.w3.org/2002/07/owl# | grep -B30 'rdf-schema>' ⇒ @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix xml: <...
3 votes
2 answers
93 views

in stardog studio, I have created a basic database. and added the following rdf data. When I query this database with a reasoning "on", I don't find expected results. I expect Alice, Charlie ...
1 vote
1 answer
84 views

I am new to RDF and SPARQL, so i want to list all the Properties that https://schema.org/ListItem can have for example. This is the turtle file for https://schema.org/version/latest/schemaorg-current-...
Neca's user avatar
  • 43
0 votes
1 answer
53 views

I am using node.js version 21.7.1 and graphdb version 10.0.6 to query the 'movies' repository that is in the interactive guide, I am using that as a test. My question is can I getting an error that ...
1 vote
2 answers
339 views

In quite a few ontologies we have triples like this: gist:containedText a owl:DatatypeProperty ; rdfs:range xsd:string ; What they intend to express is that if you use that property (gist:...
justin2004's user avatar
3 votes
0 answers
110 views

In a GraphDB custom ruleset, I need to access only the explicitly declared superclass of an element, but I can't find any predicate (like sesame:directSubClassOf), nor use the implicit/explicit ...
1 vote
1 answer
62 views

I am attempting to create an OWL ontology that includes a claimedBy property that could be a person, organization, or similar "agent" (foaf:Agent essentially), or could be unowned (owl:Thing ...
1 vote
1 answer
101 views

I'm feeding RDF inferred by the Jena riot CLI tool into the shacl cli tool. My schema definition contains something like this: lob:account_number rdfs:domain lob:Account; rdfs:range xsd:string ...
2 votes
0 answers
82 views

I'm using schema composer Tool of EA with which I generate RDFS-Augmented files? The person that uses these Files needs following: cims:stereotype rdf:resource="http://iec.ch/TC57/NonStandard/UML#...
5 votes
1 answer
1k views

I am fairly familiar with ontologies and OWL and use them all the time. But one idea has always eluded me and when I try to find a good answer there are always contradictions. That is, when to use rdf:...
0 votes
1 answer
372 views

I have a JSON object that should be JSON-LD. I would like to programatically validate that is the case. The JSON-LD Spec has a @context and a @type that point a description document. In my particular ...
four43's user avatar
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