メタデータ名 G20523502593
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0750000 38.8458334, 141.0812500 38.8458334, 141.0812500 38.8500000, 141.0750000 38.8500000, 141.0750000 38.8458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral