メタデータ名 G20513107524
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3875000 38.8166667, 141.3937500 38.8166667, 141.3937500 38.8208334, 141.3875000 38.8208334, 141.3875000 38.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral