メタデータ名 C47212-20071003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0562500 39.4250000, 141.0625000 39.4250000, 141.0625000 39.4291667, 141.0562500 39.4291667, 141.0562500 39.4250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral