メタデータ名 G20513536612
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3187500 42.5666667, 141.3250000 42.5666667, 141.3250000 42.5708334, 141.3187500 42.5708334, 141.3187500 42.5666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral