メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.887377755131 36.951102533811, 140.888395782231 36.9514420673961, 140.887888135826 36.9520976399934, 140.887271457383 36.9519220324165, 140.88679480435 36.9517999546054, 140.886688549482 36.9518360254211, 140.885918847627 36.951598968968, 140.88590360059 36.9514848414806, 140.885870200636 36.9514477542201, 140.885732478899 36.9513830778926, 140.885615509504 36.9513413085809, 140.88597538094 36.9506350953603, 140.88645661102 36.9507911413724, 140.887039281437 36.9509885268553, 140.887230774826 36.9510534300027, 140.887377755131 36.951102533811)) ^^http://www.opengis.net/ont/geosparql#wktLiteral