メタデータ名 G20503257471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1562500 40.6458334, 141.1625000 40.6458334, 141.1625000 40.6500000, 141.1562500 40.6500000, 141.1562500 40.6458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral