メタデータ名 C27363-19700701
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4937500 38.4041667, 139.5000000 38.4041667, 139.5000000 38.4083333, 139.4937500 38.4083333, 139.4937500 38.4041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral