メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.925190739558 35.0867623155844, 136.9254766474 35.086812254293, 136.925170334067 35.0879813003687, 136.925085100383 35.0882938274268, 136.925016777261 35.0885804708666, 136.924950909431 35.0888696540472, 136.924852824737 35.0891743376052, 136.923447291707 35.0889430593645, 136.923409482829 35.088936856202, 136.923511105509 35.088625701506, 136.923584347605 35.0883438586469, 136.923663859748 35.0880556891453, 136.92374284655 35.0877496306668, 136.923888778563 35.0871678416979, 136.924037712921 35.0865616213299, 136.924552453065 35.0866508242607, 136.925190739558 35.0867623155844)) ^^http://www.opengis.net/ont/geosparql#wktLiteral