def linked_data_discovery_for_alignment(self, entity_dbpedia_URI,
entityClasses_labels):
'''
discovery DUL classes alignment suggestions by entity and entity class dereferencing URIs from DBpedia
param:
entity_dbpedia_URI : string, DBpedia URI string
entity class labels: list, list of strings
return a tuple containing suggested dul classes for alignment and all_possible_rdf_types
'''
from oke.oak.DBpediaQuerier import DBpediaQuerier
import urllib
dbpediaQuerier = DBpediaQuerier()
try:
entity_rdf_types = dbpediaQuerier.dbpedia_query_rdftypes(
entity_dbpedia_URI)
except urllib.error.URLError:
print("===urllib.error.URLError")
class_inst_rdftypes = self.type_alignment_by_dereferencing_types(
entityClasses_labels)
all_possible_rdf_types = set()
all_possible_rdf_types.update(entity_rdf_types)
all_possible_rdf_types.update(class_inst_rdftypes)
dulClasses = [
rdftype for rdftype in all_possible_rdf_types
if self.is_dul_class(rdftype)
]
#ontology mapping
#dulClasses = self.wikipedia_d0_ontology_mapping(dulClasses)
return (dulClasses, all_possible_rdf_types)
def linked_data_discovery_for_alignment(self, entity_dbpedia_URI, entityClasses_labels):
'''
discovery DUL classes alignment suggestions by entity and entity class dereferencing URIs from DBpedia
param:
entity_dbpedia_URI : string, DBpedia URI string
entity class labels: list, list of strings
return a tuple containing suggested dul classes for alignment and all_possible_rdf_types
'''
from oke.oak.DBpediaQuerier import DBpediaQuerier
import urllib
dbpediaQuerier = DBpediaQuerier()
try:
entity_rdf_types = dbpediaQuerier.dbpedia_query_rdftypes(entity_dbpedia_URI)
except urllib.error.URLError:
print("===urllib.error.URLError")
class_inst_rdftypes = self.type_alignment_by_dereferencing_types(entityClasses_labels)
all_possible_rdf_types=set()
all_possible_rdf_types.update(entity_rdf_types)
all_possible_rdf_types.update(class_inst_rdftypes)
dulClasses=[rdftype for rdftype in all_possible_rdf_types if self.is_dul_class(rdftype)]
#ontology mapping
#dulClasses = self.wikipedia_d0_ontology_mapping(dulClasses)
return (dulClasses,all_possible_rdf_types)
def entity_rdftypes_feature_extraction(self, entity_dbpedia_URI):
'''
Extracting entity RDF type as feature from DBpedia
return set : entity rdf type set
'''
import SPARQLWrapper
from oke.oak.DBpediaQuerier import DBpediaQuerier
dbpediaQuerier = DBpediaQuerier()
try:
entity_rdftypes = dbpediaQuerier.dbpedia_query_rdftypes(entity_dbpedia_URI,endpoint="http://galaxy.dcs.shef.ac.uk:8893/sparql")
except SPARQLWrapper.SPARQLExceptions.EndPointInternalError:
print("EndPointInternalError: try default dbpedia endpoint next...")
entity_rdftypes.update(dbpediaQuerier.dbpedia_query_rdftypes(entity_dbpedia_URI))
#print("entity_rdftypes:",entity_rdftypes)
return entity_rdftypes
def entity_rdftypes_feature_extraction(self, entity_dbpedia_URI):
'''
Extracting entity RDF type as feature from DBpedia
return set : entity rdf type set
'''
import SPARQLWrapper
from oke.oak.DBpediaQuerier import DBpediaQuerier
dbpediaQuerier = DBpediaQuerier()
try:
entity_rdftypes = dbpediaQuerier.dbpedia_query_rdftypes(
entity_dbpedia_URI,
endpoint="http://galaxy.dcs.shef.ac.uk:8893/sparql")
except SPARQLWrapper.SPARQLExceptions.EndPointInternalError:
print(
"EndPointInternalError: try default dbpedia endpoint next...")
entity_rdftypes.update(
dbpediaQuerier.dbpedia_query_rdftypes(entity_dbpedia_URI))
#print("entity_rdftypes:",entity_rdftypes)
return entity_rdftypes
