メタデータ名 G20523436784
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0625000 38.3166667, 141.0687500 38.3166667, 141.0687500 38.3208334, 141.0625000 38.3208334, 141.0625000 38.3166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral