メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.730164695822 35.1831545864501, 136.729991167808 35.1838443023517, 136.729876130896 35.1842145155947, 136.729789957757 35.1842240635528, 136.729786117222 35.1845009468906, 136.729762651468 35.1845259325786, 136.729665340986 35.1844926229314, 136.729168970386 35.1844937842099, 136.728611546344 35.1844986666359, 136.728590630268 35.1831606523139, 136.728604162627 35.1822925447432, 136.728610894676 35.182228978377, 136.729645149753 35.1822061725433, 136.730139769818 35.1821928890007, 136.730412852859 35.1821909172144, 136.730164695822 35.1831545864501)) ^^http://www.opengis.net/ont/geosparql#wktLiteral