メタデータ名 G20523947511
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4000000 38.4333333, 141.4062500 38.4333333, 141.4062500 38.4375000, 141.4000000 38.4375000, 141.4000000 38.4333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral