メタデータ名 G20473162682
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.2812500 40.7125000, 140.2875000 40.7125000, 140.2875000 40.7166667, 140.2812500 40.7166667, 140.2812500 40.7125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral