メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.733592695989 35.3393103124686, 136.73283145652 35.3394461780158, 136.732102670303 35.3395796197162, 136.731910541211 35.3388140381274, 136.731666570699 35.3379156578355, 136.732567045 35.3377741726606, 136.733098238219 35.3377551641067, 136.733089672139 35.3377338646409, 136.73311046084 35.3377353473131, 136.733338250828 35.338349289562, 136.733463653517 35.3387757429526, 136.733615233522 35.339306096981, 136.733592695989 35.3393103124686)) ^^http://www.opengis.net/ont/geosparql#wktLiteral