メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.414053333103 34.7620551028656, 135.413218939837 34.761976461379, 135.413243255186 34.7610459281816, 135.413391519343 34.7609901012691, 135.41340193279 34.759848845187, 135.41396208674 34.7598779502488, 135.414017060225 34.7599778868977, 135.414044673051 34.7600145443645, 135.414093955694 34.7601753785934, 135.414094091567 34.7603170725102, 135.414081079814 34.7606088870326, 135.414071716011 34.7610564500692, 135.414070660672 34.7613622431721, 135.414053333103 34.7620551028656)) ^^http://www.opengis.net/ont/geosparql#wktLiteral