メタデータ名 C21341-19980601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.9312500 34.5208334, 135.9375000 34.5208334, 135.9375000 34.5250000, 135.9312500 34.5250000, 135.9312500 34.5208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral