@faubulous/mentor-rdf
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    Class ClassRepository

    A repository for retrieving classes from graphs.

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Properties

    store

    Methods

    getAllSubClasses getBroaderConcepts getClasses getCollectionMembers getCollections getConcepts getConceptSchemePath getConceptSchemes getLanguageTagUsageStats getMostFrequentLanguageTag getNarrowerConcepts getPredicateUsageStats getRootClasses getRootClassPath getSubClasses getSubjectsOfType getSuperClasses hasBroaderConcepts hasCollectionMembers hasEquivalentClass hasIndividuals hasNarrowerConcepts hasSubClasses hasSubject hasSubjectsOfType hasType isConceptScheme isDefinedBy isIntersectionOfClasses isNarrowerConceptOf isOrderedCollection isSubClassOf isUnionOfClasses

    Constructors

    Properties

    store: Store

    The RDF triple store.

    Methods

    • Get all sub classes of a given class, including indirect sub classes.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • subjectUri: string

        URI of a class.

      • Optionaloptions: DefinitionQueryOptions

        Optional query parameters.

      Returns IterableIterator<string>

      An iterator of all sub classes of the given class.

    • Get all broader concepts of a concept scheme.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • subjectUri: string

        URI of a concept scheme.

      Returns IterableIterator<string>

    • Get all classes in the repository.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • Optionaloptions: DefinitionQueryOptions

        Optional query parameters.

      Returns IterableIterator<string>

      An iterator of all classes in the repository.

    • Get the members of a collection. This includes both skos:member and skos:memberList properties.

      Parameters

      • graphUris: string | string[] | undefined

        URI of the graphs to search for collections.

      • collectionUri: string

        URI of a collection.

      Returns string[]

      An array of URIs of the members of the collection.

    • Get all collections.

      Parameters

      • graphUris: string | string[] | undefined

        URI of the graphs to search for collections.

      Returns IterableIterator<string>

      An iterator of URIs of all collections.

    • Get all concepts.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      Returns IterableIterator<string>

      An iterator of URIs of all concepts.

    • Get all broader concepts up to and including a concept scheme.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • subjectUri: string

        URI of a concept.

      Returns string[]

    • Get all concept schemes.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      Returns IterableIterator<string>

      An iterator of URIs of all concept schemes.

    • Get the language tags used in the object of triples with a given set of predicates.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search.

      Returns LanguageTagUsageStats

      An array of language tag statistics, sorted by the number of occurrences in descending order.

    • Get the most frequently used language tag in the object of triples with a given set of predicates.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search.

      Returns string | undefined

    • Get all narrower concepts of a concept or top concepts of a concept scheme.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • OptionalsubjectUri: string

        URI of a concept or concept scheme.

      Returns IterableIterator<string>

    • Get information about the usage of predicates in the document such as the frequency of use and the use of language tags.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search.

      • predicateUris: string[] | undefined = undefined

        URIs of the predicates to match.

      Returns PredicateUsageStats

    • Get all classes from the repository that have no super classes.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • Optionaloptions: DefinitionQueryOptions

        Optional query parameters.

      Returns IterableIterator<string>

      An iterator of root classes in the repository.

    • Get the first discovered path from a given class to a root class.

      Parameters

      • graphUris: string | string[] | undefined
      • subjectUri: string

        URI of a class.

      • Optionaloptions: DefinitionQueryOptions

      Returns IterableIterator<string>

      An iterator containing the first path that is found from the given class to a root class.

    • Get the sub classes of a given class or all root classes.

      Parameters

      • graphUris: string | string[] | undefined
      • OptionalsubjectUri: string

        URI of a class or undefined to get all root classes.

      • Optionaloptions: DefinitionQueryOptions

      Returns IterableIterator<string>

      An iterator of sub classes of the given class, or root classes if no subject is provided.

    • Get the super classes of a given class.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • subjectUri: string

        URI of a class.

      • Optionaloptions: DefinitionQueryOptions

        Optional query parameters.

      Returns IterableIterator<string>

      An iterator of super classes of the given class.

    • Indicates whether a concept has broader concepts.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • subjectUri: string

        URI of a concept.

      Returns boolean

    • Get the members of a collection. This includes both skos:member and skos:memberList properties.

      Parameters

      • graphUris: string | string[] | undefined

        URI of the graphs to search for collections.

      • collectionUri: string

        URI of a collection.

      Returns boolean

      An array of URIs of the members of the collection.

    • Indicate if there is an equivalent class of a given class.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • subjectUri: string

        URI of a class.

      • Optionaloptions: QueryOptions

        Optional query parameters.

      Returns boolean

      true if the class has an equivalent class, false otherwise.

    • Indicate if a given class has at least one individual defined for it or for one of its sub classes.

      Parameters

      • graphUris: string | string[] | undefined

        Graph URIs to search in, undefined for the default graph.

      • classUri: string

        URI of a class.

      • Optionaloptions: DefinitionQueryOptions

        Optional query parameters.

      Returns boolean

      true if the class has individuals, false otherwise.

    • Indicates whether a concept has narrower concepts.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • subjectUri: string

        URI of a concept.

      Returns boolean

    • Indicate if there are sub classes of a given class.

      Parameters

      • graphUris: string | string[] | undefined
      • subjectUri: string

        URI of a class.

      • Optionaloptions: DefinitionQueryOptions

      Returns boolean

      true if the class has sub classes, false otherwise.

    • Indicate if a given URI exists as the subject of a triple in the graph.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search.

      • subjectUri:
            | string
            | BlankNode
            | Literal
            | Variable
            | Quad
            | NamedNode<string>
            | NamedNode<string>

        URI of the subject to search for.

      Returns boolean

      true if the URI is a subject, false otherwise.

    • Indicate if a resource has a given type in the graph.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search.

      • subjectUri: string

        URI or blank node id of the subject to match.

      • typeUri: string

        URI of the type to match.

      • Optionaloptions: QueryOptions

        Optional query parameters.

      Returns boolean

      true if the resource has the type, false otherwise.

    • Indicates whether a subject is a concept scheme.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • subjectUri: string

        URI of a subject.

      Returns boolean

      true if the subject is a concept scheme, false otherwise.

    • Indicate if a node is explicitly defined by the given URI using the rdfs:isDefinedBy property, or implicitly by sharing the same namespace.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search.

      • node: Quad_Subject

        A named node to check if it is defined by the given URI.

      • definedBy: string | null

        URI of the vocabulary that defines the resource (rdfs:isDefinedBy). Provide null to only return resources that have no rdfs:isDefinedBy property.

      Returns boolean

      true if the node is defined by the given URI, false otherwise.

    • Indicate if a given class is the intersection of classes.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • subjectUri: string

        URI of a class.

      Returns boolean

      true if the class is the intersection of classes, false otherwise.

    • Indicates whether a concept is a narrower concept of another concept.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search for concepts.

      • subjectUri: string

        URI of a concept.

      • broaderUri: string

        URI of a broader concept.

      Returns boolean

      true if the concept is a narrower concept of the broader concept, false otherwise.

    • Indicates whether a collection is an ordered collection.

      Parameters

      • graphUris: string | string[] | undefined

        URI of the graphs to search for collections.

      • collectionUri: string

        URI of a collection.

      Returns boolean

      true if the collection is an ordered collection, false otherwise.

    • Indicate if a given class is direct or indirect (inferred) sub class of another class.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • subjectUri: string

        URI of the sub class.

      • classUri: string

        URI of the super class.

      • Optionaloptions: DefinitionQueryOptions

        Optional query parameters.

      Returns boolean

      true if the class is a sub class of the other class, false otherwise.

    • Indicate if a given class is a (disjoint) union of classes.

      Parameters

      • graphUris: string | string[] | undefined

        URIs of the graphs to search, undefined for the default graph.

      • subjectUri: string

        URI of a class.

      Returns boolean

      true if the class is a (disjoint) union of classes, false otherwise.

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