SPARQL
PREFIX gd: <http://reference.data.gov/def/govdata/>
PREFIX hoco: <http://health.data.gov/def/hospital-compare/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX comp: <http://health.data.gov/def/compare/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT *
WHERE
   { SERVICE <http://health.data.gov/sparql>
           {
             SELECT DISTINCT ?record ?date ?condition ?measure ?metric ?percentage ?ratio ?medianTime
         					 ?nationalCount ?msdrg ?footnote ?conditionId ?measureId ?metricId ?footnoteId 
             WHERE { <http://reference.data.gov/id/country/US> hoco:recordset _:rs.
      				GRAPH ?g { _:rs hoco:record ?record . }
      				?g dcterms:issued ?date.
      				OPTIONAL { ?record comp:condition ?conditionId. 
							   ?conditionId rdfs:comment ?condition. }
      				OPTIONAL { ?record comp:measure ?measureId. 
							   ?measureId rdfs:comment ?measure. }
      				OPTIONAL { ?record comp:metric ?metricId. 
							   ?metricId rdfs:comment ?metric. }
      			    OPTIONAL { ?record gd:percentage ?percentage. }
			        OPTIONAL { ?record hoco:ratio ?ratio. }
			        OPTIONAL { ?record hoco:medianTime ?medianTime. }
			        OPTIONAL { ?record hoco:nationalCount ?nationalCount. }
			        OPTIONAL { ?record hoco:msdrg ?msdrg. }
			       OPTIONAL { ?record comp:footnote ?footnoteId. ?footnoteId rdfs:comment ?footnote. }
		         }
			 LIMIT 100
		   }
   }