@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix vann: <http://purl.org/vocab/vann/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix void: <http://rdfs.org/ns/void#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix formats: <http://www.w3.org/ns/formats/> .
@prefix void-ext: <http://ldf.fi/void-ext#> .

<http://ldf.fi/void-ext> a owl:Ontology ;
	owl:versionInfo "1.0.0" ;
	owl:imports <http://rdfs.org/ns/void> ;
	dcterms:title "Extensions to the Vocabulary of Interlinked Datasets (VoID)" ;
	dcterms:description "Extensions to the Vocabulary of Interlinked Datasets (VoID)" ;
	dcterms:modified "2014-02-17"^^xsd:date ;
	foaf:homepage <http://ldf.fi/schema/void-ext/index.html> ;
	vann:preferredNamespaceUri "http://ldf.fi/void-ext#";
    	vann:preferredNamespacePrefix "void-ext";
	dcterms:created "2014-02-17"^^xsd:date ;
	dcterms:publisher "Semantic Computing Research Group" ;
	dc:creator "Eetu Mäkelä" .

void-ext:distinctRDFNodes
	a owl:DatatypeProperty ;
	rdfs:label "distinct RDF nodes" ;
	rdfs:comment "The total number of distinct RDF nodes in a void:Dataset. In other words, the number of distinct literals, IRI references and blank nodes that occur in the subject, predicate or object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctIRIReferences
	a owl:DatatypeProperty ;
	rdfs:label "distinct IRI references" ;
	rdfs:comment "The total number of distinct IRI references in a void:Dataset. In other words, the number of distinct IRI references that occur in the subject, predicate or object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctBlankNodes
	a owl:DatatypeProperty ;
	rdfs:label "distinct blank nodes" ;
	rdfs:comment "The total number of distinct blank nodes in a void:Dataset. In other words, the number of distinct blank nodes that occur in the subject or object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctLiterals
	a owl:DatatypeProperty ;
	rdfs:label "distinct literals" ;
	rdfs:comment "The total number of distinct literals in a void:Dataset. In other words, the number of distinct literals that occur in the object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctIRIReferenceSubjects
	a owl:DatatypeProperty ;
	rdfs:label "distinct IRI reference subjects" ;
	rdfs:comment "The total number of distinct IRI reference subjects in a void:Dataset. In other words, the number of distinct IRI references that occur in the subject position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctBlankNodeSubjects
	a owl:DatatypeProperty ;
	rdfs:label "distinct blank node subjects" ;
	rdfs:comment "The total number of distinct blank node subjects in a void:Dataset. In other words, the number of distinct blank nodes that occur in the subject position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctIRIReferenceObjects
	a owl:DatatypeProperty ;
	rdfs:label "distinct IRI reference objects" ;
	rdfs:comment "The total number of distinct IRI reference objects in a void:Dataset. In other words, the number of distinct IRI references that occur in the object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:distinctBlankNodeObjects
	a owl:DatatypeProperty ;
	rdfs:label "distinct blank node objects" ;
	rdfs:comment "The total number of distinct blank node objects in a void:Dataset.  In other words, the number of distinct blank nodes that occur in the object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:subjectClasses
	a owl:DatatypeProperty ;
	rdfs:label "subject classes";
	rdfs:comment "The total number of distinct subject classes in a void:Dataset. In other words, the number of distinct resources occuring as objects of rdf:type triples in the dataset, where the subjects of the rdf:type triples occur in the subject position of triples in the (sub-)dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:propertyClasses 
	a owl:DatatypeProperty ;
	rdfs:label "property classes";
	rdfs:comment "The total number of distinct property classes in a void:Dataset. In other words, the number of distinct resources occuring as objects of rdf:type triples in the dataset, where the subjects of the rdf:type triples occur in the predicate position of triples in the (sub-)dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:objectClasses 
	a owl:DatatypeProperty ;
	rdfs:label "object classes";
	rdfs:comment "The total number of distinct object classes in a void:Dataset. In other words, the number of distinct resources occuring as objects of rdf:type triples in the dataset, where the subjects of the rdf:type triples occur in the object position of triples in the (sub-)dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:datatypes
	a owl:DatatypeProperty ;
	rdfs:label "datatypes" ;
	rdfs:comment "The total number of literal datatypes in a void:Dataset. In other words, the number of distinct datatypes that appear in any datatyped literal objects in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:languages
	a owl:DatatypeProperty ;
	rdfs:label "languages" ;
	rdfs:comment "The total number of literal languages in a void:Dataset. In other words, the number of distinct languages that appear in any language literal objects in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:averageIRILength
	a owl:DatatypeProperty ;
	rdfs:label "average IRI length" ;
	rdfs:comment "The average length of IRIs in a void:Dataset. In other words, the average length of IRIs that occur in the subject, predicate or object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:averageSubjectIRILength
	a owl:DatatypeProperty ;
	rdfs:label "average subject IRI length" ;
	rdfs:comment "The average length of subject IRIs in a void:Dataset. In other words, the average length of IRIs that occur in the subject position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:averagePropertyIRILength
	a owl:DatatypeProperty ;
	rdfs:label "average property IRI length" ;
	rdfs:comment "The average length of property IRIs in a void:Dataset. In other words, the average length of IRIs that occur in the property position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:averageObjectIRILength
	a owl:DatatypeProperty ;
	rdfs:label "average object IRI length" ;
	rdfs:comment "The average length of object IRIs in a void:Dataset. In other words, the average length of IRIs that occur in the object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:averageLiteralLength
	a owl:DatatypeProperty ;
	rdfs:label "average literal length" ;
	rdfs:comment "The average length of literals in a void:Dataset. In other words, the average length of literals that occur in the object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:subjectPartition
	a owl:ObjectProperty ;
	rdfs:label "subject partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only triples with a certain subject." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:subject
	a owl:ObjectProperty, owl:FunctionalProperty ;
	rdfs:label "subject" ;
	rdfs:comment "the resource that is the subject of all triples in a subject-based partition." ;
	rdfs:domain void:Dataset ;
	rdfs:range rdfs:Resource .

void-ext:objectPartition
	a owl:ObjectProperty ;
	rdfs:label "object partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only triples with a certain object." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:object
	a rdf:Property, owl:FunctionalProperty ;
	rdfs:label "object" ;
	rdfs:comment "the resource that is the object of all triples in an object-based partition." ;
	rdfs:domain void:Dataset ;
	rdfs:range rdfs:Resource .

void-ext:subjectNamespacePartition
	a owl:ObjectProperty ;
	rdfs:label "subject namespace partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only entities that occur in the subject position of triples in the dataset and start with a certain namespace." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:propertyNamespacePartition
	a owl:ObjectProperty ;
	rdfs:label "property namespace partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only entities that occur in the predicate position of triples in the dataset and start with a certain namespace." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:objectNamespacePartition
	a owl:ObjectProperty ;
	rdfs:label "object namespace partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only entities that occur in the object position of triples in the dataset and start with a certain namespace." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:namespace
	a owl:ObjectProperty, owl:FunctionalProperty ;
	rdfs:label "namespace" ;
	rdfs:comment "the namespace that is required of resources to be included into a namespace-based partition." ;
	rdfs:domain void:Dataset ;
	rdfs:range rdfs:Resource .

void-ext:propertyClassPartition
	a owl:ObjectProperty ;
	rdfs:label "property class partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only entities of a certain rdfs:Class that occur in the predicate position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:objectClassPartition
	a owl:ObjectProperty ;
	rdfs:label "object class partition" ;
	rdfs:comment "A subset of a void:Dataset that contains only entities of a certain rdfs:Class that occur in the object position of triples in the dataset." ;
	rdfs:domain void:Dataset ;
	rdfs:range void:Dataset ;
	rdfs:subPropertyOf void:subset .

void-ext:languagePartition
        a owl:ObjectProperty ;
        rdfs:label "object language partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only literals that have a certain language tag." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;                                                                                                                                   
        rdfs:subPropertyOf void:subset .

void-ext:language
        a owl:DatatypeProperty, owl:FunctionalProperty ;
        rdfs:label "language" ;
        rdfs:comment "the language that is required of literals to be included into a language-based partition." ;
        rdfs:domain void:Dataset ;
        rdfs:range rdf:PlainLiteral .

void-ext:datatypePartition
        a owl:ObjectProperty ;
        rdfs:label "object datatype partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only literals that have a certain datatype." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;                                                                                                                                   
        rdfs:subPropertyOf void:subset .

void-ext:datatype
        a owl:ObjectProperty, owl:FunctionalProperty ;
        rdfs:label "datatype" ;
        rdfs:comment "the datatype that is required of literals to be included into a datatype-based partition." ;
        rdfs:domain void:Dataset ;
        rdfs:range rdfs:Resource .

void-ext:literalLengthPartition
        a owl:ObjectProperty ;
        rdfs:label "literal length partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only literals that have a certain length." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;
        rdfs:subPropertyOf void:subset .

void-ext:iriLengthPartition
        a owl:ObjectProperty ;
        rdfs:label "IRI length partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only IRIs that have a certain length." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;                                                                                                                                   
        rdfs:subPropertyOf void:subset .

void-ext:subjectIRILengthPartition
        a owl:ObjectProperty ;
        rdfs:label "subject IRI length partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only IRIs that have a certain length and occur in the subject position of triples in the dataset." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;                                                                                                                                   
        rdfs:subPropertyOf void:subset .

void-ext:propertyIRILengthPartition
        a owl:ObjectProperty ;
        rdfs:label "property IRI length partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only IRIs that have a certain length and occur in the property position of triples in the dataset." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;                                                                                                                                   
        rdfs:subPropertyOf void:subset .

void-ext:objectIRILengthPartition
        a owl:ObjectProperty ;
        rdfs:label "object IRI length partition" ;
        rdfs:comment "A subset of a void:Dataset that contains only IRIs that have a certain length and occur in the object position of triples in the dataset." ;
        rdfs:domain void:Dataset ;
        rdfs:range void:Dataset ;                                                                                                                                   
        rdfs:subPropertyOf void:subset .

void-ext:length
	a owl:DatatypeProperty ;
	rdfs:label "length" ;
	rdfs:comment "An exact length that is required for an object to be included in a length-based partition." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:minLength
	a owl:DatatypeProperty ;
	rdfs:label "minimum length" ;
	rdfs:comment "A minimum length (inclusive) that is required for an object to be included in a length-based partition." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .

void-ext:maxLength
	a owl:DatatypeProperty ;
	rdfs:label "maximum length" ;
	rdfs:comment "A maximum length (inclusive) that is required for an object to be included in a length-based partition." ;
	rdfs:domain void:Dataset ;
	rdfs:range xsd:integer .