メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.693215484321 35.4342974625152, 136.693718425783 35.4342994307075, 136.693717293504 35.4352587527081, 136.693682848046 35.4354695948051, 136.693617226262 35.4356339798537, 136.693558345839 35.4357197663907, 136.6934788275 35.4357958968242, 136.693358096417 35.4358645403651, 136.693304122422 35.4358760882818, 136.693212498038 35.4358815747984, 136.692756517501 35.4359104199548, 136.69259269944 35.4359387205209, 136.692601633334 35.4352508619647, 136.692655118186 35.4352490643447, 136.692639776186 35.4342915438202, 136.693215484321 35.4342974625152)) ^^http://www.opengis.net/ont/geosparql#wktLiteral