fetch more than 10000 contents from DBpedia etc. by sparql

sparql_access.py

from SPARQLWrapper import SPARQLWrapper, JSON
sparql = SPARQLWrapper("http://localhost:8890/sparql")

for i in range(25):
    query = """
select ?slabel ?olabel
where {
?s rdfs:subClassOf ?o.
?s rdf:type owl:Class.
?o rdf:type owl:Class.
optional {?s rdfs:label ?slabel.}
optional {?o rdfs:label ?olabel.}
} 
LIMIT 1000
OFFSET """ + str(i) + "000"
    sparql.setQuery(query)
    sparql.setReturnFormat(JSON)
    results = sparql.query().convert()
    l = []
    for re in results["results"]["bindings"]:
        l.append("{} {}".format(re["olabel"]["value"], re["slabel"]["value"]))
    with open("result.tsv","a") as f:
        for x in l:
            f.write(x + "\n")