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Contents
module PublishMyData
class Ontology
include Tripod::Resource
include AllFeatures
rdf_type RDF::OWL.Ontology
deprecated_rdf_type 'http://publishmydata.com/def/ontology#DeprecatedOntology'
def self.uri_from_slug(slug)
"http://#{PublishMyData.local_domain}/def/#{slug}"
end
def classes
@classes ||= OntologyClass.find_by_sparql("
SELECT DISTINCT ?uri ?graph
WHERE {
GRAPH ?graph {
{
?uri <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <#{self.uri}> .
?uri a <http://www.w3.org/2002/07/owl#Class> .
}
UNION
{
?uri <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <#{self.uri}> .
?uri a <http://www.w3.org/2000/01/rdf-schema#Class>
}
}
}"
)
end
def classes_sorted
Ontology.sort_by_label_or_uri(classes)
end
def properties
@properties ||= Property.find_by_sparql("
SELECT DISTINCT ?uri ?graph
WHERE {
GRAPH ?graph {
?uri <http://www.w3.org/2000/01/rdf-schema#isDefinedBy> <#{self.uri}> .
?uri a <http://www.w3.org/1999/02/22-rdf-syntax-ns#Property> .
}
}"
)
end
def properties_sorted
Ontology.sort_by_label_or_uri(properties)
end
def local?
true
end
def eager_load!
super
classes.each{|c| c.eager_load!}
properties.each{|p| p.eager_load!}
end
# Overrides
['to_rdf', 'to_ttl', 'to_nt', 'to_json'].each do |method_name|
define_method method_name do |opts={}|
resources = Resource.find_by_sparql("
SELECT DISTINCT ?uri
WHERE {
{ SELECT ?uri WHERE { GRAPH <#{self.graph_uri}> {?uri ?p ?o} } }
UNION
{ SELECT ?uri WHERE { GRAPH <#{self.data_graph_uri}> {?uri ?p ?o} } }
}
")
Tripod::ResourceCollection.new(resources).send(method_name)
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems