メタデータ名 indicator-K7201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9125000 38.2375000, 140.9187500 38.2375000, 140.9187500 38.2416667, 140.9125000 38.2416667, 140.9125000 38.2375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral