メタデータ名 G20523836982
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4125000 35.8125000, 138.4187500 35.8125000, 138.4187500 35.8166667, 138.4125000 35.8166667, 138.4125000 35.8125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral