メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.803960841919 35.3193792432891, 136.80319197497 35.3203480188577, 136.80267827078 35.3200820273857, 136.802055957475 35.3197598593911, 136.802774698869 35.3188781301189, 136.802855647167 35.318778863858, 136.803459934593 35.3191104781811, 136.803960841919 35.3193792432891)) ^^http://www.opengis.net/ont/geosparql#wktLiteral