メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.632640453558 34.9065752254201, 136.631591290278 34.9066432827578, 136.631582433189 34.9065312736767, 136.631552110515 34.9062347069342, 136.631456911814 34.90583952221, 136.631390893094 34.9055924421993, 136.63069418184 34.903599486193, 136.630704137348 34.9035989415311, 136.631519430598 34.9035607007414, 136.631520498525 34.903560695206, 136.632093841055 34.9035417346585, 136.63230981202 34.903534697394, 136.632402781949 34.9045110858909, 136.6324893357 34.9054202457345, 136.632537306882 34.9056656581007, 136.632640453558 34.9065752254201)) ^^http://www.opengis.net/ont/geosparql#wktLiteral