メタデータ名 G20473007141
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9937500 42.5291667, 142.0000000 42.5291667, 142.0000000 42.5333333, 141.9937500 42.5333333, 141.9937500 42.5291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral