メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.904443795032 35.0993482669812, 136.904213666409 35.1000996394614, 136.904155315026 35.1002855788186, 136.903264609628 35.1000839070973, 136.903429599633 35.0995400122976, 136.903710943107 35.0986257867636, 136.903735730067 35.0985452026521, 136.903995198902 35.0986040102753, 136.903977404081 35.0986621435365, 136.904404428277 35.0987508946845, 136.904393336559 35.098789464718, 136.904619888975 35.098832213031, 136.904443795032 35.0993482669812)) ^^http://www.opengis.net/ont/geosparql#wktLiteral