メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.854062160859 35.2588602764985, 136.852899089686 35.2588797760492, 136.85291775894 35.2571786140679, 136.852918272971 35.256188537378, 136.854373891794 35.2561932448328, 136.854367502065 35.2567112612514, 136.854371960558 35.258125512239, 136.854187138264 35.2581196092173, 136.854177928608 35.2582260651455, 136.854030468251 35.2582329348485, 136.854062160859 35.2588602764985)) ^^http://www.opengis.net/ont/geosparql#wktLiteral