メタデータ名 G20492947972
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5625000 39.5875000, 140.5687500 39.5875000, 140.5687500 39.5916667, 140.5625000 39.5916667, 140.5625000 39.5875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral