メタデータ名 indicator-L2103
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.5562500 34.5750000, 136.5625000 34.5750000, 136.5625000 34.5791667, 136.5562500 34.5791667, 136.5562500 34.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral