メタデータ名 G20513661213
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3937500 38.5583333, 141.4000000 38.5583333, 141.4000000 38.5625000, 141.3937500 38.5625000, 141.3937500 38.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral