メタデータ名 C21622-19990601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.1562500 36.5583333, 137.1625000 36.5583333, 137.1625000 36.5625000, 137.1562500 36.5625000, 137.1562500 36.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral