メタデータ名 G20503270294
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.2687500 34.9458334, 136.2750000 34.9458334, 136.2750000 34.9500000, 136.2687500 34.9500000, 136.2687500 34.9458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral