メタデータ名 G20493225561
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7062500 38.9625000, 141.7125000 38.9625000, 141.7125000 38.9666667, 141.7062500 38.9666667, 141.7062500 38.9625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral