OWLOntologyManager

@protocol OWLOntologyManager <NSObject>

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.

dataFactory
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;


                    
                    
                    -loadOntologyFromDocumentAtURL:error:

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.