メタデータ名 G20473003712
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.9812500 35.0250000, 135.9875000 35.0250000, 135.9875000 35.0291667, 135.9812500 35.0291667, 135.9812500 35.0250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral