メタデータ名 G20473071564
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5500000 39.7958334, 141.5562500 39.7958334, 141.5562500 39.8000000, 141.5500000 39.8000000, 141.5500000 39.7958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral