メタデータ名 G20604152992
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7687500 35.5291667, 136.7750000 35.5291667, 136.7750000 35.5333333, 136.7687500 35.5333333, 136.7687500 35.5291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral