メタデータ名 G20574130543
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0937500 39.3041667, 141.1000000 39.3041667, 141.1000000 39.3083333, 141.0937500 39.3083333, 141.0937500 39.3041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral