メタデータ名 indicator-I510102
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3687500 41.2500000, 141.3750000 41.2500000, 141.3750000 41.2541667, 141.3687500 41.2541667, 141.3687500 41.2500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral