メタデータ名 G20473150314
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1437500 36.1375000, 136.1500000 36.1375000, 136.1500000 36.1416667, 136.1437500 36.1416667, 136.1437500 36.1375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral