メタデータ名 C15402-19950329
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4187500 38.0500000, 139.4250000 38.0500000, 139.4250000 38.0541667, 139.4187500 38.0541667, 139.4187500 38.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral