Q4-expet.sparql

PREFIX  dbpp: <http://dbpedia.org/property/>
PREFIX  dbpo: <http://dbpedia.org/ontology/>
PREFIX  rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX  dcterms: <http://purl.org/dc/terms/>
PREFIX  rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX  dbpr: <http://dbpedia.org/resource/>

SELECT  *
FROM <http://dbpedia.org>
WHERE
  { ?player  rdf:type          dbpo:BasketballPlayer ;
             dbpp:nationality  ?nationality ;
             dbpp:birthPlace   ?place ;
             dbpp:birthDate    ?birthDate ;
             dbpp:team         ?team
    OPTIONAL
      { ?team  rdf:type        dbpo:BasketballTeam ;
               dbpp:president  ?president ;
               dbpp:sponsor    ?sponsor ;
               dbpp:name       ?name
      }
  }