メタデータ名 G20553846553
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8625000 35.3250000, 138.8687500 35.3250000, 138.8687500 35.3291667, 138.8625000 35.3291667, 138.8625000 35.3250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral