_:vb1972813 . _:vb1972813 "53.44311673 4.6445873855.54998893 8.95125809"^^ . _:vb1972813 "POLYGON((4.64458738 55.54998893,8.95125809 55.54998893,8.95125809 53.44311673,4.64458738 53.44311673,4.64458738 55.54998893))"^^ .