メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.568946053536 39.4006785731638, 140.569868157632 39.4019268712683, 140.571069194362 39.4036230253871, 140.570374025141 39.4040515282254, 140.568684754181 39.4030825083459, 140.565904089111 39.4014731543314, 140.5630605581 39.3998440231869, 140.563825321789 39.3983638883719, 140.56426183923 39.397335720051, 140.564352660102 39.3971217761798, 140.564641292418 39.3965911033877, 140.565528206738 39.3950870988268, 140.567371948045 39.3955656448848, 140.567544200774 39.3956151600463, 140.567868147519 39.3956519995673, 140.567829212323 39.3959451671878, 140.56772781081 39.3960818174428, 140.567524884892 39.396394105359, 140.566804300504 39.3968812227064, 140.566627030325 39.3970762523139, 140.566512781195 39.3972812769171, 140.567189936376 39.3982602714424, 140.568946053536 39.4006785731638)) ^^http://www.opengis.net/ont/geosparql#wktLiteral