メタデータ名 S18201081001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1750000 35.9166667, 136.1812500 35.9166667, 136.1812500 35.9208334, 136.1750000 35.9208334, 136.1750000 35.9166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral