メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.936240635219 35.1404923365056, 136.936812379267 35.1405361814627, 136.93681680273 35.1406791526839, 136.936809767093 35.1408057020759, 136.936795720058 35.1410583501852, 136.936783041293 35.1413450960203, 136.936781919422 35.1413706577654, 136.936778160756 35.1415112190787, 136.93677823678 35.1419198241377, 136.935691796861 35.1418510470575, 136.935721572384 35.1414541887066, 136.935766408477 35.1410062314733, 136.935816381913 35.1404690551146, 136.936240635219 35.1404923365056)) ^^http://www.opengis.net/ont/geosparql#wktLiteral