メタデータ名 C47202-19820101
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4062500 36.1916667, 139.4125000 36.1916667, 139.4125000 36.1958334, 139.4062500 36.1958334, 139.4062500 36.1916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral