メタデータ名 G20473047571
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3562500 39.6666667, 140.3625000 39.6666667, 140.3625000 39.6708334, 140.3562500 39.6708334, 140.3562500 39.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral