メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.338655577307 43.0051264098824, 144.340005736904 43.0047776716521, 144.340839551419 43.007249971409, 144.341182708149 43.0082972693441, 144.338292180933 43.0088611529616, 144.33821836255 43.0088771288347, 144.338027664599 43.0089052954672, 144.335799927815 43.0088385563915, 144.335723030543 43.00792050607, 144.335497332768 43.0057547579274, 144.335494426586 43.0057198586041, 144.33534690933 43.003892996132, 144.337825597119 43.0035383221833, 144.338119820846 43.0040432421116, 144.338345220543 43.0045133409246, 144.338655577307 43.0051264098824)) ^^http://www.opengis.net/ont/geosparql#wktLiteral