メタデータ名 G20503123301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3812500 38.8125000, 141.3875000 38.8125000, 141.3875000 38.8166667, 141.3812500 38.8166667, 141.3812500 38.8125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral