メタデータ名 G20523721294
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4437500 40.3958334, 141.4500000 40.3958334, 141.4500000 40.4000000, 141.4437500 40.4000000, 141.4437500 40.3958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral