Built-in model terms

Model ontologies described here, as well as some other system and well-known ontologies, have a local copy in each LinkedDataHub instance. The URI-to-file mapping is defined as Jena's location mapping and can be found in location-mapping.n3 and prefix-mapping.n3.

Built-in classes
Ontology Class Subclass of Path Fragment Constructor Constrained properties
ldh: ldh:Dataset void:Dataset,sd:Graph {isPrimaryTopicOf.slug}/ this
ldh:NamedGraph sd:NamedGraph
ldh:Construct ldt:Query,sp:Construct {isPrimaryTopicOf.slug}/ this ldh:QueryConstructor sp:text
ldh:File dh:Item,nfo:FileDataObject ldh:FileConstructor nfo:fileName
ldh:Import prov:Activity {isPrimaryTopicOf.slug}/ this ldh:ImportConstructor ldh:action
ldh:CSVImport ldh:Import {isPrimaryTopicOf.slug}/ this ldh:FileConstructor spin:query
ldh:Chart {isPrimaryTopicOf.slug}/ this ldh:ChartConstructor spin:query
ldh:GraphChart ldh:Chart ldh:GraphChartConstructor ldh:seriesProperty
ldh:ResultSetChart ldh:Chart ldh:ResultSetChartConstructor ldh:seriesVarName
dh: dh:Document foaf:Document {slug}/ dh:DocumentConstructor
dh:Container dh:Document,dh:Container dh:ContainerConstructor
dh:Item dh:Document,dh:Item

The constructor SPARQL query strings can be looked up in the RDF documents of the respective ontologies.