メタデータ名 G20503347723
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9812500 37.5375000, 140.9875000 37.5375000, 140.9875000 37.5416667, 140.9812500 37.5416667, 140.9812500 37.5375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral