メタデータ名 C2310
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8000000 36.9625000, 139.8062500 36.9625000, 139.8062500 36.9666667, 139.8000000 36.9666667, 139.8000000 36.9625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral