メタデータ名 G20604021681
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1250000 40.6208334, 141.1312500 40.6208334, 141.1312500 40.6250000, 141.1250000 40.6250000, 141.1250000 40.6208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral