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			Corese/KGRAM
			

				
Data querying
				
Data loading
				
Distributed query processing
			
		
	
	
	

		

			

				

			
			

				

					

						
						

							

								
SPARQL 1.1 querying interface
							

							

								

									
Predefined SPARQL queries for basic RDF statistics. More informations are available at http://code.google.com/p/void-impl/wiki/SPARQLQueriesForStatistics.
									
										Total number of triples
										Total number of entities
										Total number of distinct resource URIs
										Total number of distinct classes
										Total number of distinct predicates
										Total number of distinct subject nodes
										Total number of distinct object nodes
										Exhaustive list of classes used in the dataset
										Exhaustive list of properties used in the dataset
										Class vs. total number of instances of the class
										Property vs. total number of triples using the property
										Property vs. total number of distinct subjects in triples using the property
										Property vs. total number of distinct objects in triples using the property
									
									
									

									
									Query
									
								

								

									
  
								

							
						
					

					

						

							

								
Semantic web data loading
								
RDF, RDFS, OWL, TTL formats supported.
							

							

								
								

									

  										Into named graph
  										
									
								
								

									
										Geographic INSEE dataset (2012)
										Demographic INSEE dataset (2010)
										
									
								
								

									

										
										
										Load
									
								
								

									Reset Corese/KGRAM graph
									Enable RDFS entailments
								
							
						
					

					

						
						

							

								
Data sources configuration
							

						  
						
							
										http://localhost:8080/kgram/sparql
										http://fr.dbpedia.org/sparql
										http://dbpedia.org/sparql
										http://rdf.myexperiment.org/sparql
										http://pubmed.bio2rdf.org/sparql
							
						
						

							
							Add data source
						
						
						
						
					

					

						

								
Federated SPARQL querying
						
						

								

									
Predefined SPARQL queries for data sources federation. 
									
										Demo federated query
									
									
									
PREFIX idemo:<http://rdf.insee.fr/def/demo#>
PREFIX igeo:<http://rdf.insee.fr/def/geo#>
SELECT ?departement ?nom ?popTotale WHERE {
	?region igeo:codeRegion "24" .
	?region igeo:subdivisionDirecte ?departement .
	?departement igeo:nom ?nom .
	?departement idemo:population ?popLeg .
	?popLeg idemo:populationTotale ?popTotale .
} ORDER BY ?popTotale

									Query