メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.640827049977 34.9023925998339, 136.64127242122 34.9029389787938, 136.638585284807 34.9039578943368, 136.638483096534 34.9041573237823, 136.638405479213 34.9040260262532, 136.638144085561 34.9035838238382, 136.637669778363 34.9028096711482, 136.637707508062 34.9027915142491, 136.637889842437 34.9027029469439, 136.63799591314 34.9026567538917, 136.638157153738 34.902592805676, 136.63836954094 34.9025321110403, 136.639377906743 34.9022058835482, 136.640070390627 34.90197201966, 136.640418002248 34.9018497612215, 136.640431854126 34.9018448988712, 136.640827049977 34.9023925998339)) ^^http://www.opengis.net/ont/geosparql#wktLiteral