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Correctly load base_iri and iri #723

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jesper-friis opened this issue Feb 27, 2024 · 1 comment
Open

Correctly load base_iri and iri #723

jesper-friis opened this issue Feb 27, 2024 · 1 comment

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@jesper-friis
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Owlready2 doesn't distinguish between iri (the IRI of the ontology) and base_iri (the prefix of all entities in the ontology). When Owlready2 loads an ontology, it assigns base_iri to the ontology IRI, which creates a lot of confusion. That said, Owlready2 does this for good reasons, since it is only iri that is explicitly defined in the triples (as long as the source only contain one ontology), while base_iri has to be inferred from the IRIs of the entities in the ontology.

However, we can do better. When loading a turtle file, the base_iri can be obtained from the @prefix : <...> . line. When loading other formats, we can try to infer the base_iri from the class IRIs. If the IRIs of all classes starts with the same base, that is the base_iri.

@jesper-friis
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Related to issue #704

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