メタデータ名 G20473022674
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.9812500 37.1125000, 136.9875000 37.1125000, 136.9875000 37.1166667, 136.9812500 37.1166667, 136.9812500 37.1125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral