#filename: ex522.rq

PREFIX db: <http://dbpedia.org/resource/>
PREFIX dbo: <http://dbpedia.org/ontology/>

SELECT ?pacinoFilm
WHERE
{
  ?pacinoFilm dbo:starring db:Al_Pacino .
  ?deNiroFilm dbo:starring db:Robert_De_Niro . 
#  FILTER(?pacinoFilm = ?deNiroFilm)
  FILTER(sameTerm(?pacinoFilm,?deNiroFilm))
}