メタデータ名 G20473002491
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7062500 35.1625000, 136.7125000 35.1625000, 136.7125000 35.1666667, 136.7062500 35.1666667, 136.7062500 35.1625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral