メタデータ名 G20523644881
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.9937500 34.7916667, 138.0000000 34.7916667, 138.0000000 34.7958334, 137.9937500 34.7958334, 137.9937500 34.7916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral