Retrieve ontologies from sparql endpoint

SELECT DISTINCT ?onto ?domain ?prop ?range
WHERE{
?onto a owl:Ontology.
VALUES ?propType {owl:ObjectProperty owl:DatatypeProperty}
?prop a ?propType; rdfs:domain ?domain; rdfs:range ?range.
FILTER(CONTAINS(STR(?prop),STR(?onto)))
}
GROUP BY ?onto
ORDER BY ?onto