メタデータ名 G20493025832
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8562500 38.6958334, 139.8625000 38.6958334, 139.8625000 38.7000000, 139.8562500 38.7000000, 139.8562500 38.6958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral