メタデータ名 indicator-I2211
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.2687500 45.0000000, 142.2750000 45.0000000, 142.2750000 45.0041667, 142.2687500 45.0041667, 142.2687500 45.0000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral