メタデータ名 G20503122222
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.1562500 39.9583333, 140.1625000 39.9583333, 140.1625000 39.9625000, 140.1562500 39.9625000, 140.1562500 39.9583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral