メタデータ名 C47315-19720515
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6437500 35.8875000, 139.6500000 35.8875000, 139.6500000 35.8916667, 139.6437500 35.8916667, 139.6437500 35.8875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral