メタデータ名 si187020028
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4625000 36.5750000, 140.4687500 36.5750000, 140.4687500 36.5791667, 140.4625000 36.5791667, 140.4625000 36.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral