メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.337274531133 37.3604263515109, 140.337069797247 37.3604659404272, 140.336861820438 37.3604758348326, 140.336753459291 37.3604463058256, 140.336718571588 37.3604119574877, 140.336709623072 37.3603658133926, 140.336735228403 37.360310511481, 140.336783831904 37.3602387801393, 140.336847052292 37.3601971163529, 140.336953753371 37.3601827230148, 140.33712110336 37.3601773660242, 140.337274092815 37.3601744631833, 140.337220178396 37.3602826853913, 140.337227138795 37.3603547449312, 140.337274531133 37.3604263515109)) ^^http://www.opengis.net/ont/geosparql#wktLiteral