メタデータ名 G20473007361
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6687500 38.9875000, 141.6750000 38.9875000, 141.6750000 38.9916667, 141.6687500 38.9916667, 141.6687500 38.9875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral