メタデータ名 G20503047893
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1562500 40.6125000, 141.1625000 40.6125000, 141.1625000 40.6166667, 141.1562500 40.6166667, 141.1562500 40.6125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral