メタデータ名 G20493022311
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9687500 35.4583333, 139.9750000 35.4583333, 139.9750000 35.4625000, 139.9687500 35.4625000, 139.9687500 35.4583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral