メタデータ名 G20523730463
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2875000 42.5208334, 141.2937500 42.5208334, 141.2937500 42.5250000, 141.2875000 42.5250000, 141.2875000 42.5208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral