メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.313767230719 36.3090584141734, 136.313680950356 36.309096806807, 136.313508217203 36.3091972464962, 136.313229384994 36.3094222940771, 136.31293195906 36.3086644313727, 136.312740780728 36.3081513303744, 136.312594325167 36.3077571518302, 136.312511930014 36.3074396845774, 136.313156674363 36.3072596025268, 136.31325045258 36.3074907211892, 136.312902172457 36.3075594204683, 136.313103103709 36.3081352921522, 136.313460046155 36.3080463399415, 136.313851280455 36.3090251462738, 136.313767230719 36.3090584141734)) ^^http://www.opengis.net/ont/geosparql#wktLiteral