メタデータ名 G20493031144
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2187500 39.4708334, 141.2250000 39.4708334, 141.2250000 39.4750000, 141.2187500 39.4750000, 141.2187500 39.4708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral