メタデータ名 G20513206022
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2812500 40.3166667, 141.2875000 40.3166667, 141.2875000 40.3208334, 141.2812500 40.3208334, 141.2812500 40.3166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral