メタデータ名 G20493165213
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8625000 37.0125000, 136.8687500 37.0125000, 136.8687500 37.0166667, 136.8625000 37.0166667, 136.8625000 37.0125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral