メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.325071993741 37.3935450168812, 140.325963791707 37.3942865458892, 140.326116826636 37.3944274100147, 140.325636817403 37.3947743547906, 140.325142375677 37.3951474044831, 140.325010686776 37.3950257411839, 140.324129204032 37.3942629020933, 140.323513504388 37.3937591492632, 140.323990387307 37.3933925135217, 140.323849882649 37.3932779245299, 140.324340223204 37.3929324922175, 140.324616865335 37.393161405823, 140.325071993741 37.3935450168812)) ^^http://www.opengis.net/ont/geosparql#wktLiteral