メタデータ名 C15544-19771201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6250000 34.5166667, 136.6312500 34.5166667, 136.6312500 34.5208334, 136.6250000 34.5208334, 136.6250000 34.5166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral