メタデータ名 G20614016861
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4000000 36.2500000, 138.4062500 36.2500000, 138.4062500 36.2541667, 138.4000000 36.2541667, 138.4000000 36.2500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral