メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.775205466705 35.393252153264, 136.774312684889 35.3933209490179, 136.773142796686 35.39341975228, 136.773129723442 35.3938090727591, 136.771622558133 35.3937803625123, 136.771668654708 35.3925736886012, 136.773187157769 35.3926183533992, 136.774507014005 35.3926522901137, 136.774546455358 35.3926500942433, 136.77499113874 35.3926254087419, 136.775105650905 35.3926151467983, 136.775337646159 35.3925850530491, 136.775454510858 35.3926398667551, 136.775331981607 35.3929297493869, 136.775205466705 35.393252153264)) ^^http://www.opengis.net/ont/geosparql#wktLiteral