メタデータ名 indicator-A120801
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1000000 39.3875000, 141.1062500 39.3875000, 141.1062500 39.3916667, 141.1000000 39.3916667, 141.1000000 39.3875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral