メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.681571464622 33.5701244506523, 130.681126717193 33.5703036062016, 130.680631358433 33.5705093643525, 130.680370946814 33.5700935325462, 130.680346234488 33.5699432129786, 130.680384020908 33.5697941456096, 130.680504224721 33.5696475450378, 130.680665570217 33.5695199658494, 130.680718933519 33.5694711439978, 130.680968853126 33.569485136416, 130.681147069004 33.5694722468326, 130.681209456616 33.5694979790585, 130.681291198177 33.5696897603448, 130.681370606544 33.5698236675586, 130.681432615536 33.5699181860692, 130.681571464622 33.5701244506523)) ^^http://www.opengis.net/ont/geosparql#wktLiteral