メタデータ名 G20503054474
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8937500 38.9291667, 139.9000000 38.9291667, 139.9000000 38.9333333, 139.8937500 38.9333333, 139.8937500 38.9291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral