メタデータ名 G20523521694
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1625000 36.1166667, 139.1687500 36.1166667, 139.1687500 36.1208334, 139.1625000 36.1208334, 139.1625000 36.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral