メタデータ名 G20513253304
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4562500 41.4208334, 141.4625000 41.4208334, 141.4625000 41.4250000, 141.4562500 41.4250000, 141.4562500 41.4208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral