メタデータ名 G20473033523
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2437500 39.3333333, 141.2500000 39.3333333, 141.2500000 39.3375000, 141.2437500 39.3375000, 141.2437500 39.3333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral