メタデータ名 S15102031003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4125000 36.1166667, 138.4187500 36.1166667, 138.4187500 36.1208334, 138.4125000 36.1208334, 138.4125000 36.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral