メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.890609131419 35.253030443356, 136.891250166092 35.2529887465744, 136.891591485523 35.2554055607532, 136.89125404475 35.2554166904241, 136.891005189603 35.2554071074581, 136.890678733779 35.2553944590846, 136.890412444235 35.2553359634101, 136.890170885583 35.2552760455594, 136.889969902203 35.2552133323559, 136.8894031272 35.2550419642462, 136.888623124999 35.2547745406008, 136.888623549962 35.2546500386644, 136.888452918487 35.2531984930175, 136.888802396552 35.253179020936, 136.88945547284 35.2531253197316, 136.890609131419 35.253030443356)) ^^http://www.opengis.net/ont/geosparql#wktLiteral