メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.216885880941 34.8229127002818, 134.218179040455 34.8293454527751, 134.217231100048 34.8290495219526, 134.215948299915 34.8286455723343, 134.215511171183 34.8285514766158, 134.214037867531 34.8283323326423, 134.213481561784 34.8281912061494, 134.213101249949 34.8280784929438, 134.212925421103 34.8279378127456, 134.212760980966 34.8277690426063, 134.212528641716 34.8274410352665, 134.211519576569 34.8262646368029, 134.211227407301 34.8259233962056, 134.216885880941 34.8229127002818)) ^^http://www.opengis.net/ont/geosparql#wktLiteral