メタデータ名 G20503011921
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.4812500 34.5958334, 135.4875000 34.5958334, 135.4875000 34.6000000, 135.4812500 34.6000000, 135.4812500 34.5958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral