メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.74264987352 35.4235861084214, 136.742501776603 35.4233227425837, 136.741772297881 35.42179641576, 136.743213897651 35.4212290311756, 136.743857418067 35.4217159575694, 136.744245145065 35.422144486894, 136.744797227819 35.4226817210327, 136.745284869991 35.4230310919986, 136.74264987352 35.4235861084214)) ^^http://www.opengis.net/ont/geosparql#wktLiteral