メタデータ名 G20544020363
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0500000 38.7708334, 141.0562500 38.7708334, 141.0562500 38.7750000, 141.0500000 38.7750000, 141.0500000 38.7708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral