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sparql_executer.py
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sparql_executer.py
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from typing import List, Tuple
from SPARQLWrapper import SPARQLWrapper, JSON
import json
import urllib
from pathlib import Path
from tqdm import tqdm
sparql = SPARQLWrapper("https://127.0.0.1:3094/sparql") # link to your own sparql endpoint
sparql.setReturnFormat(JSON)
path = str(Path(__file__).parent.absolute())
with open(path + '/../ontology/fb_roles', 'r') as f:
contents = f.readlines()
roles = set()
for line in contents:
fields = line.split()
roles.add(fields[1])
def execute_query(query: str) -> List[str]:
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = []
for result in results['results']['bindings']:
assert len(result) == 1 # only select one variable
for var in result:
rtn.append(result[var]['value'].replace('https://rdf.freebase.com/ns/', '').replace("-08:00", ''))
return rtn
def execute_unary(type: str) -> List[str]:
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
'?x0 :type.object.type :' + type + '. '
"""
}
}
""")
# # print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = []
for result in results['results']['bindings']:
rtn.append(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return rtn
def execute_binary(relation: str) -> List[Tuple[str, str]]:
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT DISTINCT ?x0 ?x1 WHERE {
"""
'?x0 :' + relation + ' ?x1. '
"""
}
""")
# # print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = []
for result in results['results']['bindings']:
rtn.append((result['x0']['value'], result['x1']['value']))
return rtn
def is_intersectant(derivation1: tuple, derivation2: str):
if len(derivation1[1]) > 3 or len(derivation2[1]) > 3:
return False
if len(derivation1) == 2:
clause1 = derivation1[0] + ' ' + ' / '.join(derivation1[1]) + ' ?x. \n'
elif len(derivation1) == 3:
clause1 = '?y ' + ' / '.join(derivation1[1]) + ' ?x. \n' + f'FILTER (?y {derivation1[2]} {derivation1[0]}) . \n'
if len(derivation2) == 2:
clause2 = derivation2[0] + ' ' + ' / '.join(derivation2[1]) + ' ?x. \n'
elif len(derivation2) == 3:
clause2 = '?y ' + ' / '.join(derivation2[1]) + ' ?x. \n' + f'FILTER (?y {derivation2[2]} {derivation2[0]}) . \n'
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
ASK {
"""
+ clause1
+ clause2 +
"""
}
""")
# print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = results['boolean']
return rtn
def entity_type_connected(entity: str, type: str):
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
ASK {
"""
+ ':' + entity + ' !(<https://www.w3.org/1999/02/22-rdf-syntax-ns#type>|:type.object.type) '
'/ :type.object.type :' + type +
"""
}
""")
# print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = results['boolean']
return rtn
def entity_type_connected_2hop(entity: str, type: str):
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
ASK {
"""
+ ':' + entity + ' !(<https://www.w3.org/1999/02/22-rdf-syntax-ns#type>|:type.object.type) / '
' !(<https://www.w3.org/1999/02/22-rdf-syntax-ns#type>|:type.object.type)'
'/ :type.object.type :' + type +
"""
}
""")
# print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = results['boolean']
return rtn
def is_reachable(derivation: tuple, answer_type: str):
if len(derivation[1]) > 3:
return False
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
ASK {
"""
+ derivation[0] + ' ' + ' / '.join(derivation[1]) + '/ :type.object.type :' + answer_type +
"""
}
""")
# print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = results['boolean']
return rtn
def is_reachable_cmp(derivation: tuple, answer_type: str):
if len(derivation[1]) > 3:
return False
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
ASK {
"""
+ '?x ' + ' / '.join(derivation[1]) + '/ :type.object.type :' + answer_type + ' .\n'
+ f'FILTER (?x {derivation[2]} {derivation[0]})'
"""
}
""")
# print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = results['boolean']
return rtn
def get_types(entity: str) -> List[str]:
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' :type.object.type ?x0 . '
"""
}
}
""")
# print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = []
for result in results['results']['bindings']:
rtn.append(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return rtn
def get_notable_type(entity: str):
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' :common.topic.notable_types ?y . '
"""
?y :type.object.name ?x0
FILTER (lang(?x0) = 'en')
}
}
""")
# print(query)
sparql.setQuery(query)
results = sparql.query().convert()
rtn = []
for result in results['results']['bindings']:
rtn.append(result['value']['value'])
if len(rtn) == 0:
rtn = ['entity']
return rtn
def get_friendly_name(entity: str) -> str:
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' :type.object.name ?x0 . '
"""
}
}
""")
# # print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = []
for result in results['results']['bindings']:
if result['value']['xml:lang'] == 'en':
rtn.append(result['value']['value'])
if len(rtn) == 0:
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' :common.topic.alias ?x0 . '
"""
}
}
""")
# # print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
for result in results['results']['bindings']:
if result['value']['xml:lang'] == 'en':
rtn.append(result['value']['value'])
if len(rtn) == 0:
return 'null'
return rtn[0]
def get_degree(entity: str):
degree = 0
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT count(?x0) as ?value WHERE {
"""
'?x1 ?x0 ' + ':' + entity + '. '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
""")
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
degree += int(result['value']['value'])
query2 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT count(?x0) as ?value WHERE {
"""
':' + entity + ' ?x0 ?x1 . '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
""")
sparql.setQuery(query2)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query2)
exit(0)
for result in results['results']['bindings']:
degree += int(result['value']['value'])
return degree
def get_in_attributes(value: str):
in_attributes = set()
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
'?x1 ?x0 ' + value + '. '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
}
""")
# print(query1)
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
in_attributes.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return in_attributes
def get_negative_relations(relation: str):
from utils import logic_form_util
same_dir = set()
inverse_dir = set()
if relation in logic_form_util.reverse_properties:
inverse = logic_form_util.reverse_properties[relation]
else:
inverse = "common.webpage.topic" # dummy constraint
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT DISTINCT ?x0, ?x1 WHERE {
"""
'?s ' + ':' + relation + '?o . '
'?s ?x0 ?y .'
'?z ?x1 ?s .'
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/") .
FILTER regex(?x1, "https://rdf.freebase.com/ns/") .
"""
f'FILTER (?x0 != :{relation}) .'
f'FILTER (?x1 != :{inverse})'
"""
}
""")
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
same_dir.add(result['x0']['value'].replace('https://rdf.freebase.com/ns/', ''))
inverse_dir.add(result['x1']['value'].replace('https://rdf.freebase.com/ns/', ''))
return same_dir, inverse_dir
def get_in_relations(entity: str):
in_relations = set()
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
'?x1 ?x0 ' + ':' + entity + '. '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
}
""")
# print(query1)
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
in_relations.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return in_relations
def get_in_entities(entity: str, relation: str):
neighbors = set()
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x1 AS ?value) WHERE {
SELECT DISTINCT ?x1 WHERE {
"""
'?x1' + ' :' + relation + ' :' + entity + '. '
"""
FILTER regex(?x1, "https://rdf.freebase.com/ns/")
}
}
""")
# print(query1)
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
neighbors.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return neighbors
def get_in_entities_for_literal(value: str, relation: str):
neighbors = set()
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x1 AS ?value) WHERE {
SELECT DISTINCT ?x1 WHERE {
"""
'?x1' + ':' + relation + ' ' + value + '. '
"""
FILTER regex(?x1, "https://rdf.freebase.com/ns/")
}
}
""")
# print(query1)
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
neighbors.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return neighbors
def get_out_relations(entity: str):
out_relations = set()
query2 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' ?x0 ?x1 . '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
}
""")
# print(query2)
sparql.setQuery(query2)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query2)
exit(0)
for result in results['results']['bindings']:
out_relations.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return out_relations
def get_out_entities(entity: str, relation: str):
neighbors = set()
query2 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x1 AS ?value) WHERE {
SELECT DISTINCT ?x1 WHERE {
"""
':' + entity + ' :' + relation + ' ?x1 . '
"""
FILTER regex(?x1, "https://rdf.freebase.com/ns/")
}
}
""")
# print(query2)
sparql.setQuery(query2)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query2)
exit(0)
for result in results['results']['bindings']:
neighbors.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return neighbors
def get_entities_cmp(value, relation: str, cmp: str):
neighbors = set()
query2 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x1 AS ?value) WHERE {
SELECT DISTINCT ?x1 WHERE {
"""
'?x1' + ':' + relation + ' ?sk0 . '
"""
FILTER regex(?x1, "https://rdf.freebase.com/ns/")
"""
f'FILTER (?sk0 {cmp} {value})'
"""
}
}
""")
# print(query2)
sparql.setQuery(query2)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query2)
exit(0)
for result in results['results']['bindings']:
neighbors.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return neighbors
def get_adjacent_relations(entity: str):
in_relations = set()
out_relations = set()
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
'?x1 ?x0 ' + ':' + entity + '. '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
}
""")
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
in_relations.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
query2 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' ?x0 ?x1 . '
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
}
}
""")
sparql.setQuery(query2)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query2)
exit(0)
for result in results['results']['bindings']:
out_relations.add(result['value']['value'].replace('https://rdf.freebase.com/ns/', ''))
return in_relations, out_relations
def get_2hop_relations_from_2entities(entity0: str, entity1: str): # m.027lnzs m.0zd6 3200017000000
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT distinct ?x0 as ?r0 ?y as ?r1 WHERE {
"""
'?x1 ?x0 ' + ':' + entity0 + ' .\n' + '?x1 ?y ' + ':' + entity1 + ' .'
"""
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
FILTER regex(?y, "https://rdf.freebase.com/ns/")
}
""")
# print(query)
pass
def get_2hop_relations(entity: str):
in_relations = set()
out_relations = set()
paths = []
query1 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT distinct ?x0 as ?r0 ?y as ?r1 WHERE {
"""
'?x1 ?x0 ' + ':' + entity + '. '
"""
?x2 ?y ?x1 .
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
FILTER regex(?y, "https://rdf.freebase.com/ns/")
}
""")
sparql.setQuery(query1)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query1)
exit(0)
for result in results['results']['bindings']:
r1 = result['r1']['value'].replace('https://rdf.freebase.com/ns/', '')
r0 = result['r0']['value'].replace('https://rdf.freebase.com/ns/', '')
in_relations.add(r0)
in_relations.add(r1)
if r0 in roles and r1 in roles:
paths.append((r0, r1))
query2 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT distinct ?x0 as ?r0 ?y as ?r1 WHERE {
"""
'?x1 ?x0 ' + ':' + entity + '. '
"""
?x1 ?y ?x2 .
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
FILTER regex(?y, "https://rdf.freebase.com/ns/")
}
""")
sparql.setQuery(query2)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query2)
exit(0)
for result in results['results']['bindings']:
r1 = result['r1']['value'].replace('https://rdf.freebase.com/ns/', '')
r0 = result['r0']['value'].replace('https://rdf.freebase.com/ns/', '')
out_relations.add(r1)
in_relations.add(r0)
if r0 in roles and r1 in roles:
paths.append((r0, r1 + '#R'))
query3 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT distinct ?x0 as ?r0 ?y as ?r1 WHERE {
"""
':' + entity + ' ?x0 ?x1 . '
"""
?x2 ?y ?x1 .
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
FILTER regex(?y, "https://rdf.freebase.com/ns/")
}
""")
sparql.setQuery(query3)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query3)
exit(0)
for result in results['results']['bindings']:
r1 = result['r1']['value'].replace('https://rdf.freebase.com/ns/', '')
r0 = result['r0']['value'].replace('https://rdf.freebase.com/ns/', '')
in_relations.add(r1)
out_relations.add(r0)
if r0 in roles and r1 in roles:
paths.append((r0 + '#R', r1))
query4 = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT distinct ?x0 as ?r0 ?y as ?r1 WHERE {
"""
':' + entity + ' ?x0 ?x1 . '
"""
?x1 ?y ?x2 .
FILTER regex(?x0, "https://rdf.freebase.com/ns/")
FILTER regex(?y, "https://rdf.freebase.com/ns/")
}
""")
sparql.setQuery(query4)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query4)
exit(0)
for result in results['results']['bindings']:
r1 = result['r1']['value'].replace('https://rdf.freebase.com/ns/', '')
r0 = result['r0']['value'].replace('https://rdf.freebase.com/ns/', '')
out_relations.add(r1)
out_relations.add(r0)
if r0 in roles and r1 in roles:
paths.append((r0 + '#R', r1 + '#R'))
return in_relations, out_relations, paths
def get_label(entity: str) -> str:
query = ("""
PREFIX rdf: <https://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <https://www.w3.org/2000/01/rdf-schema#>
PREFIX : <https://rdf.freebase.com/ns/>
SELECT (?x0 AS ?label) WHERE {
SELECT DISTINCT ?x0 WHERE {
"""
':' + entity + ' rdfs:label ?x0 . '
"""
FILTER (langMatches( lang(?x0), "EN" ) )
}
}
""")
# # print(query)
sparql.setQuery(query)
try:
results = sparql.query().convert()
except urllib.error.URLError:
print(query)
exit(0)
rtn = []
for result in results['results']['bindings']:
label = result['label']['value']
rtn.append(label)
if len(rtn) != 0:
return rtn[0]
else:
return None
if __name__ == '__main__':
query = """
PREFIX ns: <https://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.025tbxf ns:type.object.type ?x .
}
"""
results = execute_query(query)
print(results)