メタデータ名 C21360-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4062500 36.2541667, 140.4125000 36.2541667, 140.4125000 36.2583333, 140.4062500 36.2583333, 140.4062500 36.2541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral