メタデータ名 C21404-19820601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.2687500 34.8166667, 135.2750000 34.8166667, 135.2750000 34.8208334, 135.2687500 34.8208334, 135.2687500 34.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral