メタデータ名 S212016001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3062500 38.0000000, 139.3125000 38.0000000, 139.3125000 38.0041667, 139.3062500 38.0041667, 139.3062500 38.0000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral