メタデータ名 G20503523691
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3125000 38.4291667, 141.3187500 38.4291667, 141.3187500 38.4333333, 141.3125000 38.4333333, 141.3125000 38.4291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral