メタデータ名 indicator-E910341
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2500000 38.6625000, 141.2562500 38.6625000, 141.2562500 38.6666667, 141.2500000 38.6666667, 141.2500000 38.6625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral