# 0
SELECT ?president ?party ?x WHERE { 
 	SERVICE <http://130.60.155.73:8002/sparql> { 
		?president rdf:type dbo:President 
	} .
 	SERVICE <http://130.60.155.74:8002/sparql> { 
		?president dbo:nationality dbpedia:United_States .
		?president dbo:party ?party 
	} .
 	SERVICE <http://130.60.155.30:8003/sparql> { 
		?x owl:sameAs ?president .
		?x nytimes:topicPage ?page 
	} 
}