def crawl_graph(self):
ret = {}
for ontology_property,p,o in self.graph.triples((None, None, RDF.Property)):
for s,p,domain_class in self.graph.triples((ontology_property, RDFS.domain, None)):
domain_class = Resource(self.graph, domain_class)
for domain_subclass in domain_class.transitive_subjects(RDFS.subClassOf):
if domain_subclass.identifier not in ret:
ret[domain_subclass.identifier] = {'down':[], 'up':[]}
for s,p,range_class in self.graph.triples((ontology_property, RDFS.range, None)):
ret[domain_subclass.identifier]['down'].append({
'ontology_property':ontology_property,
'ontology_classes':self.get_subclasses(range_class)
})
for s,p,range_class in self.graph.triples((ontology_property, RDFS.range, None)):
range_class = Resource(self.graph, range_class)
for range_subclass in range_class.transitive_subjects(RDFS.subClassOf):
if range_subclass.identifier not in ret:
ret[range_subclass.identifier] = {'down':[], 'up':[]}
for s,p,o in self.graph.triples((ontology_property, RDFS.domain, None)):
ret[range_subclass.identifier]['up'].append({
'ontology_property':ontology_property,
'ontology_classes':self.get_subclasses(o)
})
return ret
def crawl_graph(self):
ret = {}
for ontology_property,p,o in self.graph.triples((None, None, RDF.Property)):
for s,p,domain_class in self.graph.triples((ontology_property, RDFS.domain, None)):
domain_class = Resource(self.graph, domain_class)
for domain_subclass in domain_class.transitive_subjects(RDFS.subClassOf):
if domain_subclass.identifier not in ret:
ret[domain_subclass.identifier] = {'down':[], 'up':[]}
for s,p,range_class in self.graph.triples((ontology_property, RDFS.range, None)):
ret[domain_subclass.identifier]['down'].append({
'ontology_property':ontology_property,
'ontology_classes':self.get_subclasses(range_class)
})
for s,p,range_class in self.graph.triples((ontology_property, RDFS.range, None)):
range_class = Resource(self.graph, range_class)
for range_subclass in range_class.transitive_subjects(RDFS.subClassOf):
if range_subclass.identifier not in ret:
ret[range_subclass.identifier] = {'down':[], 'up':[]}
for s,p,o in self.graph.triples((ontology_property, RDFS.domain, None)):
ret[range_subclass.identifier]['up'].append({
'ontology_property':ontology_property,
'ontology_classes':self.get_subclasses(o)
})
return ret
def get_subclasses(self, ontology_class):
if ontology_class not in self.subclass_cache:
ontology_class_resource = Resource(self.graph, ontology_class)
self.subclass_cache[ontology_class] = [
subclass.identifier for subclass in
ontology_class_resource.transitive_subjects(RDFS.subClassOf)
]
return self.subclass_cache[ontology_class]
def get_subclasses(self, ontology_class):
if ontology_class not in self.subclass_cache:
ontology_class_resource = Resource(self.graph, ontology_class)
self.subclass_cache[ontology_class] = [subclass.identifier for subclass in ontology_class_resource.transitive_subjects(RDFS.subClassOf)]
return self.subclass_cache[ontology_class]