メタデータ名 C23211-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.8937500 35.5625000, 138.9000000 35.5625000, 138.9000000 35.5666667, 138.8937500 35.5666667, 138.8937500 35.5625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral