メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.047304487362 39.3933600607237, 140.047300497381 39.3933602834716, 140.047227445213 39.3933643675105, 140.04730245854 39.3942179191072, 140.047301965601 39.3942374091631, 140.047171101627 39.3942769247349, 140.046812112691 39.3943753577856, 140.046491908202 39.3944675029418, 140.046303248659 39.3938217657848, 140.046292772004 39.3937859466863, 140.04630320522 39.3937777129076, 140.046460213205 39.3936576613385, 140.046541736908 39.3935952278823, 140.046527589562 39.392909218484, 140.046527090375 39.392881347415, 140.04684754289 39.3928539447758, 140.047279182248 39.3927988052371, 140.047396498423 39.3931943847428, 140.047299867061 39.3932453655745, 140.047304487362 39.3933600607237)) ^^http://www.opengis.net/ont/geosparql#wktLiteral