メタデータ名 G20513131492
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0562500 38.8416667, 141.0625000 38.8416667, 141.0625000 38.8458334, 141.0562500 38.8458334, 141.0562500 38.8416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral