メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.839913920657 34.9004284980975, 136.839700241781 34.9012784640275, 136.839698983466 34.9012834610387, 136.839039788099 34.9011614323157, 136.839109421915 34.9008239232834, 136.837857789328 34.900632859303, 136.837916057751 34.9002953905387, 136.837482432004 34.900224190186, 136.83699592574 34.9021400249806, 136.835450422591 34.9019019240241, 136.83555474816 34.9014332353541, 136.835645242527 34.8991376159425, 136.836030567156 34.899176363369, 136.836603546805 34.8993588094706, 136.837375097871 34.8996184978482, 136.837632865448 34.8997107659192, 136.839004325549 34.9001515457393, 136.839913920657 34.9004284980975)) ^^http://www.opengis.net/ont/geosparql#wktLiteral