メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.695727798354 35.3372550039377, 136.695936362218 35.3387053392287, 136.694792170717 35.3388146698891, 136.694551287862 35.3372714602502, 136.694478228428 35.3368041281305, 136.694762543617 35.3364806604261, 136.695146445098 35.3366737129385, 136.695844984109 35.3370378539743, 136.695727798354 35.3372550039377)) ^^http://www.opengis.net/ont/geosparql#wktLiteral