メタデータ名 G20603927394
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1750000 42.9666667, 141.1812500 42.9666667, 141.1812500 42.9708334, 141.1750000 42.9708334, 141.1750000 42.9666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral