メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.92992244822 35.1770600753259, 136.930065381341 35.1773257036479, 136.930130821845 35.1773196362781, 136.930397910123 35.1772645334371, 136.93057615052 35.1778194479094, 136.929908863374 35.1779466446322, 136.929741841753 35.177567168627, 136.929677705148 35.1774139466128, 136.929456588059 35.1769235914263, 136.929703025507 35.1768613354244, 136.929799650507 35.1770377703868, 136.9298961903 35.1770065107674, 136.92992244822 35.1770600753259)) ^^http://www.opengis.net/ont/geosparql#wktLiteral