メタデータ名 C21622-19990601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3500000 40.8666667, 141.3562500 40.8666667, 141.3562500 40.8708334, 141.3500000 40.8708334, 141.3500000 40.8666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral