メタデータ名 G20503004223
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1187500 41.2375000, 141.1250000 41.2375000, 141.1250000 41.2416667, 141.1187500 41.2416667, 141.1187500 41.2375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral