メタデータ名 G20574015662
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9687500 39.5916667, 141.9750000 39.5916667, 141.9750000 39.5958334, 141.9687500 39.5958334, 141.9687500 39.5916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral