メタデータ名 G20563951952
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8750000 42.7791667, 141.8812500 42.7791667, 141.8812500 42.7833333, 141.8750000 42.7833333, 141.8750000 42.7791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral