メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.773503189484 35.6766941528227, 139.773836555043 35.6765883016528, 139.77385552158 35.6765869030891, 139.774741516599 35.6780322761479, 139.774725471831 35.6780518091349, 139.77442281785 35.6781769383133, 139.774414871713 35.6781555971976, 139.773713296602 35.6784325643857, 139.773703314565 35.6784607976577, 139.773044848177 35.678719050961, 139.773028198472 35.678716331289, 139.771657969322 35.6792838887876, 139.770395532921 35.679815783998, 139.77009212407 35.6793345530389, 139.769863295959 35.6789778626229, 139.769682842383 35.6786815126423, 139.7696720298 35.6786634443394, 139.769461464501 35.678321867108, 139.770735972187 35.677805058466, 139.77212079452 35.677251638402, 139.772809732239 35.6769588666029, 139.773503189484 35.6766941528227)) ^^http://www.opengis.net/ont/geosparql#wktLiteral