メタデータ名 C20502-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5562500 40.2708334, 140.5625000 40.2708334, 140.5625000 40.2750000, 140.5562500 40.2750000, 140.5562500 40.2708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral