メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.062548341441 35.97243462886, 136.062193080219 35.973222339957, 136.060503779287 35.9719315411925, 136.060994998437 35.9713175040924, 136.061375995143 35.9714344049006, 136.061849403283 35.9713429616464, 136.062509066858 35.9717492952129, 136.062263638281 35.9720650368236, 136.062223478474 35.9721158479467, 136.062216805603 35.9721521277066, 136.062548341441 35.97243462886)) ^^http://www.opengis.net/ont/geosparql#wktLiteral