メタデータ名 G20523831191
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4125000 38.2458334, 138.4187500 38.2458334, 138.4187500 38.2500000, 138.4125000 38.2500000, 138.4125000 38.2458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral