メタデータ名 G20584131474
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1187500 39.4666667, 141.1250000 39.4666667, 141.1250000 39.4708334, 141.1187500 39.4708334, 141.1187500 39.4666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral