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51
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Cannot infer from property chain axiom in GraphDB
I have a simple example ontology (see below) that I made in Protege. In Protege using HermiT, I can see the inferred predicates based on property chain axioms.
When I import the same ontology to ...
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31
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tag language not recognise as an implicit string in pellet
I checked the consistency of a graph and its associated ontology with Pellet, and Pellet raised an error related to a DatatypeProperty (Litteral) declared as a string in the ontology:
rdfs:range xsd:...
1
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1
answer
108
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How to relate "equivalent" concepts that are not both classes?
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 ...
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1
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60
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RDF standard ontology for statement with a start and end
I am building an application that builds SPARQL query, and I'm trying to make it as generic as possible.
In my data, I need to be able to model some affiliations between people and structures. These ...
2
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0
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70
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How to retrieve individuals by matching a subset of their asserted datatype properties?
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 ...
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58
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Anzograph db server crash while creating inferences
I've created an ontology with 3 classes (Vehicle, Owner and Person)
where Owner is equivalent to inverse(ownedBy) some Person
:Owner rdf:type owl:Class ;
owl:equivalentClass [ rdf:type owl:...
1
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1
answer
103
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How to make RDF graph IRI dereferenceable in Virtuoso Open Source?
I'm using Virtuoso Open Source Edition 07.20.3230 (Linux/Ubuntu), and I'm trying to make a named RDF graph publicly dereferenceable via its IRI so that it passes a Linked Data metadata checking tool.
...
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1
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71
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Using RDF nodes from W3C standards in Linked Data ontologies
Is it good/tolerable practice to use elements from W3C standards in a (wannabe five-star) Linked Open Data Ontology?
For example, there is fo:region-body, which is an element of the XSL-FO standard (...
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35
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Connecting to multiple databases Ontop
Good afternoon, I'm studying ontop. I'm having doubts about how to use it, using a docker image to connect to several databases, at the moment only 3.
I'm using a docker image with Postgres JDBC, but ...
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47
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Reuse classes from well-known ontologies adding custom properties?
I have a question regarding ontology design.
I want to reuse the schema:Message class in my ontology. But, I also want to include both schema.org properties and custom properties, related to schema:...
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1
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41
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Thing Description ontology extension
I am developing a thing description, in which I have the following property:
"properties": {
"pluginList": {
"description": "List of plugins and status&...
1
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1
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95
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Protege import prefix handling
I noticed, that when I include an ontology, into another ontology, with the first using the second ontology, Protege will not recognize the properties correctly. An example:
ontology A
@prefix : <...
1
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1
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70
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How to model an intermediate container node in OWL (Protégé)?
I'm designing an ontology for app users in Protégé, and I need advice on how to properly model intermediate "container".
Suppose you have an User with multiple contact details (e.g., ...
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40
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Manchester OWL to Class Translation
I am working on a use-case where I wanted to translate Taxonomy definition in Manchester OWL to Java classes so that I can run validations on it and add API to vend it out.
Is there any existing ...
1
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1
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59
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Disjoint properties for different domains
I want to develop an ontology with Protégé. My class tree is as follows:
├── Binary
├── Function
├── Plugin
My property tree is:
├── available_function
├── needs_binary
├── restricted_function
In ...