- rdf_library_index(?Id, ?Facet) is nondet
- Query the content of the library. Defined facets are:
- source(URL)
- Location from which to load the ontology
- title(Atom)
- Title used for the ontology
- comment(Atom)
- Additional comments for the ontology
- version(Atom)
- Version information on the ontology
- imports(Type, URL)
- URLs needed by this ontology. May succeed multiple
times. Type is one of
ontology
, schema
or instances
.
- base_uri(BaseURI)
- Base URI to use when loading documents. If BaseURI
ends in
/
, the actual filename is attached.
- claimed_source(Source)
- URL from which we claim to have loaded the RDF. If
Source ends in
/
, the actual filename is
attached.
- blank_nodes(Share)
- Defines how equivalent blank nodes are handled, where
Share is one of
share
or noshare
. Default is to
share.
- format(Format)
- Format of the resource. Can be used to overrule
if the format as derived from the HTTP content type
is wrong.
- provides_ns(URL)
- Ontology provides definitions in the namespace URL.
The formal definition of this is troublesome, but in
practice it means the ontology has triples whose
subjects are in the given namespace.
- uses_ns(URL)
- The ontology depends on the given namespace. Normally
means it contains triples that have predicates or
objects in the given namespace.
- manifest(URL)
- URL of the manifest in which this ontology is defined.
- virtual
- Entry is virtual (cannot be loaded)