SELECT ?s WHERE {
                        ?s a dbo:Museum
                    }
                
            

                
                    SELECT ?s WHERE {
                        ?s rdf:type <http://dbpedia.org/ontology/Museum>
                    }
                
            

                
                    SELECT DISTINCT(?s) WHERE {
                        ?s a dbo:Museum.
                        ?s dbo:country <http://fr.dbpedia.org/resource/France>
                    }
                
            

                
                    SELECT ?city (COUNT (DISTINCT ?s) as ?nb) WHERE {
                        ?s a dbo:Museum.
                         ?s dbo:country <http://fr.dbpedia.org/resource/France>.
                         ?s dbo:city ?city.

                    } GROUP BY ?city ORDER BY DESC(?nb)
                
            

                
                    SELECT ?m COUNT(distinct ?o) as ?nb_artwork COUNT(distinct ?col) as ?nb_collection WHERE {
                        ?o a dbo:Artwork.
                        ?o dbo:museum ?m.
                        ?m dbo:city <http://fr.dbpedia.org/resource/Paris>.
                        OPTIONAL {?m dbo:collection ?col}
                    }  GROUP BY ?m ORDER BY DESC(?nb_artwork)
                
            

                
                    SELECT  DISTINCT ?o  ?y WHERE {
                        ?o a dbo:Artwork.
                        ?o dbo:creationYear ?y.
                        FILTER( YEAR(?y) < 1900 && YEAR(?y) > 1850) 
                        ?o dbo:museum dbpedia-fr:Musée_du_Louvre.
                    } 
                
            

                
                    SELECT ?a (COUNT(?o) as ?nb) WHERE {
                        ?o a dbo:Artwork.
                        ?o dbo:author ?a.
                        ?o dbo:museum dbpedia-fr:Musée_du_Louvre.
                    }   GROUP BY ?a ORDER BY DESC(?nb) LIMIT 10
                
            

                
                DESCRIBE <http://fr.dbpedia.org/resource/Eugène_Delacroix>
                
            

                
                ASK {
                    ?o dbo:museum ?m.
                    ?m a dbo:Museum.
                    ?m dbo:city <http://fr.dbpedia.org/resource/Lyon>
                    ?o a dbo:Artwork.
                    ?o dbo:author <http://fr.dbpedia.org/resource/Raphaël_(peintre)>
                }