メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.889552662501 35.1327568196611, 136.891010411142 35.1329184377155, 136.891002068053 35.1334094196852, 136.890998635038 35.1336830110117, 136.890992029918 35.1339766672727, 136.889621281883 35.1339464528209, 136.888416046621 35.133925481301, 136.888373556419 35.1335391031956, 136.888317495027 35.1331233958154, 136.888298249322 35.1329529938341, 136.888597680598 35.1329579163557, 136.888659700637 35.1326623471314, 136.889552662501 35.1327568196611)) ^^http://www.opengis.net/ont/geosparql#wktLiteral