メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.998069864973 43.5546564452217, 144.997085985569 43.5540063890524, 144.997217819864 43.5538990412098, 144.997761857849 43.5534119366186, 144.997873280823 43.5533150636083, 144.997895030426 43.5533298696051, 144.998131572186 43.5534753991178, 144.998577360571 43.553744541339, 144.998642031999 43.5537888675058, 144.99884141309 43.5539251639342, 144.998709076002 43.5540340730155, 144.998220172671 43.5544366341668, 144.99829185003 43.5544819521645, 144.998243238611 43.5545185975611, 144.998069864973 43.5546564452217)) ^^http://www.opengis.net/ont/geosparql#wktLiteral