メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.999855539558 34.9301611840218, 137.000424812472 34.9303081568144, 137.001475149885 34.9305826749745, 137.00121731793 34.9320232847385, 137.001187142194 34.9332650269199, 137.000522679447 34.9330880035948, 136.998809038968 34.9326211632539, 136.997708537818 34.9323040864738, 136.99715812317 34.9321618479163, 136.997519834963 34.9312612826468, 136.997919337017 34.9302655289053, 136.998123137122 34.9297575459635, 136.998312694214 34.9297725928745, 136.998502991004 34.9298076425058, 136.998749406692 34.9298750938694, 136.998884150237 34.929899643908, 136.999855539558 34.9301611840218)) ^^http://www.opengis.net/ont/geosparql#wktLiteral