メタデータ名 G20564012481
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4000000 40.7708334, 141.4062500 40.7708334, 141.4062500 40.7750000, 141.4000000 40.7750000, 141.4000000 40.7708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral