メタデータ名 G20493074883
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0250000 37.5041667, 141.0312500 37.5041667, 141.0312500 37.5083333, 141.0250000 37.5083333, 141.0250000 37.5041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral