メタデータ名 G20543712161
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2187500 38.9416667, 141.2250000 38.9416667, 141.2250000 38.9458334, 141.2187500 38.9458334, 141.2187500 38.9416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral