メタデータ名 G20473047693
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2187500 38.7958334, 141.2250000 38.7958334, 141.2250000 38.8000000, 141.2187500 38.8000000, 141.2187500 38.7958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral