{
checkNotNull(service, "URL for service is null") ;
//checkNotNull(defaultGraph, "IRI for default graph is null") ;
checkArg(query) ;
QueryEngineHTTP qe = createServiceRequest(service, query, authenticator) ;
qe.addDefaultGraph(defaultGraph) ;
return qe ;
}
/** Create a service request for remote execution over HTTP. The returned class,
* {@link QueryEngineHTTP},