def describe(store, uri, outputGraph):
query = '''PREFIX hint: <http://www.bigdata.com/queryHints#>
describe %s where { hint:Query hint:describeMode "CBD". }'''
g = ConjunctiveGraph(store)
try:
outputGraph += g.query(query % uri.n3())
except:
outputGraph += g.query("select ?s ?p ?o where { ?s ?p ?o}", initBindings={"s":uri})
def describe(store, uri, outputGraph):
query = '''PREFIX hint: <http://www.bigdata.com/queryHints#>
describe %s where { hint:Query hint:describeMode "CBD". }'''
g = ConjunctiveGraph(store)
try:
outputGraph += g.query(query % uri.n3())
except:
outputGraph += g.query("construct {%s ?p ?o} where { %s ?p ?o}"% (uri.n3(),uri.n3()))
def list(self):
query = '''prefix skos: <http://www.w3.org/2004/02/skos/core#>
prefix dc: <http://purl.org/dc/terms/>
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix owl: <http://www.w3.org/2002/07/owl#>
prefix prov: <http://www.w3.org/ns/prov#>
construct {
?s a %s ;
skos:prefLabel ?prefLabel;
rdfs:label ?label;
dc:title ?title;
dc:identifier ?identifier;
rdfs:seeAlso ?seeAlso;
owl:sameAs ?sameAs;
prov:alternateOf ?altOf;
prov:specializationOf ?specOf.
} where {
?s a %s .
optional {?s skos:prefLabel ?prefLabel}
optional {?s rdfs:label ?label}
optional {?s dc:title ?title}
optional {?s dc:identifier ?identifier}
optional {?s rdfs:seeAlso ?seeAlso}
optional {?s owl:sameAs ?sameAs}
optional {?s prov:alternateOf ?altOf}
optional {?s prov:specializationOf ?specOf}
}'''
g = ConjunctiveGraph(self.store)
return g.query(query % (self.cl.n3(), self.cl.n3()))
def _top_classes(self):
import rdflib.plugin
from rdflib.store import Store
from rdflib.parser import Parser
from rdflib.serializer import Serializer
from rdflib.query import ResultParser, ResultSerializer, Processor, Result, UpdateProcessor
from rdflib.exceptions import Error
rdflib.plugin.register('sparql', Result,
'rdflib.plugins.sparql.processor',
'SPARQLResult')
rdflib.plugin.register('sparql', Processor,
'rdflib.plugins.sparql.processor',
'SPARQLProcessor')
rdflib.plugin.register('sparql', UpdateProcessor,
'rdflib.plugins.sparql.processor',
'SPARQLUpdateProcessor')
retr_query = '''
construct {
?subClass rdfs:subClassOf ?id;
a ?type;
rdfs:label ?sclabel.
?id rdfs:label ?label;
a ?idtype.
} where {
{
?subClass rdfs:subClassOf ?id.
}
optional {
?subClass a ?type.
}
optional {
?subClass rdfs:label ?sclabel.
}
optional {
?id rdfs:label ?label
}
optional {
?id a ?idtype.
}
}'''
g = self.db.query(retr_query).graph
#print list(g[::self.NS.sio.object])
query = '''
select distinct ?id where {
{
?subClass rdfs:subClassOf ?id.
}
?id rdfs:label ?label.
optional {
?id rdfs:subClassOf ?superClass.
}
FILTER (!bound(?superClass))
FILTER (isURI(?id))
} order by ?label'''
return [g.resource(i[0]) for i in g.query(query)]
def count(self):
g = ConjunctiveGraph(self.store)
query = '''select (count(?s) as ?count) where {?s a %s}'''
return list(g.query(query % self.cl.n3()))[0][0].value