メタデータ名 G20503021231
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6062500 39.5625000, 140.6125000 39.5625000, 140.6125000 39.5666667, 140.6062500 39.5666667, 140.6062500 39.5625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral