メタデータ名 C31362-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3000000 40.1750000, 141.3062500 40.1750000, 141.3062500 40.1791667, 141.3000000 40.1791667, 141.3000000 40.1750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral