OWLOntologyManager

Objective-C

@protocol OWLOntologyManager <NSObject>

Swift

protocol OWLOntologyManager : NSObjectProtocol

An OWLOntologyManager manages a set of ontologies. It is the main point for creating, loading and accessing ontologies.

An OWLOntologyManager also manages the mapping betweem an ontology and its ontology document.

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  • A data factory which can be used to create OWL API objects such as classes, properties, individuals, axioms etc.

    Declaration

    Objective-C

    @property (nonatomic, strong, readonly) id<OWLDataFactory> _Nonnull dataFactory;
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  • Loads an ontology from an ontology document contained in a local file. The loaded ontology will be assigned a document IRI that corresponds to the file IRI.

    Declaration

    Objective-C

    - (nullable id<OWLOntology>)
    loadOntologyFromDocumentAtURL:(nonnull NSURL *)URL
                            error:(NSError *_Nullable *_Nullable)error;

    Parameters

    URL

    URL of the ontology document to load.
    error

    Error out parameter.

    Return Value

    The ontology that was parsed from the file, or nil on error.

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