参考网站:http://rdflib.readthedocs.io/en/stable/
# -*- coding: utf-8 -*-
import rdflib
import re
from rdflib import Namespace,RDF
# q = "select ?Subject ?Object where { ?Subject <http://www.w3.org/1999/02/22-rdf-syntax-ns#" + \
# Predicate + "> ?Object}"
g1 = rdflib.Graph()
g1.parse("./yyyy.owl", format="xml")
ns = Namespace('http://www.semanticweb.org/liu/ontologies/2018/4/untitled-ontology-8#') # 命名空间
# q = "select ?Subject ?Object where { ?Subject is_located ?Object}"
# for s,_,o in g1.triples((None,ns["is_located"],None)):
# print("s_O",s,o)
# print('\n\n')
# for s in g1.subjects(ns['is_located'],ns['A513']):
# print('s: ',s)
ans1 = []
for s in g1.subjects(ns['firstname_is'],ns['王']):
ans1.append(s)
# print(ans1)
ans2 = []
for s in g1.subjects(RDF.type,ns['教授']):
ans2.append(s)
# print(ans2)
ans3 = list(set(ans1).intersection(set(ans2)))
for res in ans3:
for s in g1.objects(res,ns['is_located']):
print('s ',str(s).split('#')[-1])