メタデータ名 C03304-19870201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3000000 39.2250000, 141.3062500 39.2250000, 141.3062500 39.2291667, 141.3000000 39.2291667, 141.3000000 39.2250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral