メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.734534778454 35.403488896938, 136.734513915655 35.4035708626978, 136.733304164813 35.4033316044436, 136.733336286017 35.4031469361651, 136.733198229246 35.4031336943223, 136.733416108442 35.4020433823131, 136.734011072567 35.4021044569612, 136.734411750222 35.4021170180517, 136.734834905768 35.4021081765491, 136.734534778454 35.403488896938)) ^^http://www.opengis.net/ont/geosparql#wktLiteral