メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.12258420452 35.2141638146315, 136.121340059611 35.2168196269555, 136.120542587069 35.2167526177799, 136.119512910041 35.2166720329463, 136.119189838671 35.2165912270535, 136.119391250793 35.2161168530044, 136.116901455718 35.215303590773, 136.117119587391 35.2151127347726, 136.11924718084 35.2143510851402, 136.120311233164 35.2141464848353, 136.121159739793 35.213830541132, 136.12146627265 35.213720786922, 136.122409742651 35.214098779589, 136.12258420452 35.2141638146315)) ^^http://www.opengis.net/ont/geosparql#wktLiteral