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Why does OBI use `owl:real` as the Range for `has specified numeric value`?
Other datatype properties use xsd types for their Ranges, like `has measurement value` => `xsd:double`
Why do I care? …
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Classification of ontologies with regards to expressivity (OWL2 EL/QL/RL)
https://www.w3.org/TR/owl2-profiles/#Introduction
OWL2 EL - for ontologies that contain very large numbers of properties a…
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上下文2：Web Ontology Language (OWL)
As we saw, the Web Ontology Language (OWL) is a family of **knowledge representation**
languages that are the basic computer-implementable languages in which ontolog…
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Create a role vocabulary to account for different role properties within a activity or an organizations.
Abuse owl2 to make it both a simple object property, an instances that can be used for prov-…
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Defined ontologies in OWL2 format have an IRI, which is kept constant along all the revisions of the ontology by its maintainers. These ontologies usually also have a versionIRI, which change from rev…
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When determining the version number for OWL format ontologies, the current code uses the owl:versionInfo annotation property:
https://github.com/ncbo/owlapi_wrapper/blob/1d2ab90a9a6db0540d6756d1eba…
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I think we need some simple tests of reading/writing ontologies with banana-rdf.
With the diesel DSL, we can write almost in literate fashion the official mapping of OWL2 Functional Syntax to RDF:
h…
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CL ontologies will be published increasingly on the Web. When publishing stuff on the Web, particularly when publishing ontologies in a linked data compliant way, it is good practice that the web serv…
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The loading of rdfs style "ontologies" is a bit inconsistent (how depends on strictness mode).
LAX mode will broaden an rdfs:Class into an owl:Class, but will discard items of rdf:type rdf:Propert…
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OWL subclass axioms are interpreted in OML as follows:
- an OWL Class may represent an OML Aspect, Concept, ReifiedRelationship, StructuredDatatype
- an OWL SubClass axiom makes sense according to…