メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.904379373275 35.0973769610989, 136.904674752412 35.0974362222414, 136.904979463411 35.0974973547808, 136.904909701774 35.0977289767637, 136.904756017215 35.098239236006, 136.904658149662 35.0982228954869, 136.904619721834 35.0984093716534, 136.904512613899 35.098388433324, 136.904455206923 35.0985743759595, 136.904404428277 35.0987508946845, 136.903977404081 35.0986621435365, 136.903995198902 35.0986040102753, 136.903735730067 35.0985452026521, 136.903755798329 35.0984800312965, 136.903782964941 35.0984319895899, 136.904119072724 35.0973250542873, 136.904379373275 35.0973769610989)) ^^http://www.opengis.net/ont/geosparql#wktLiteral