メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.971960524985 35.2269374607423, 136.971932621562 35.227828538124, 136.971917642497 35.2279637137274, 136.971913825726 35.227998211452, 136.971894778078 35.2282734395045, 136.971861512194 35.2287334179371, 136.971781462028 35.2295987083172, 136.970478296413 35.2295216567857, 136.96918978596 35.2294463056475, 136.968570252433 35.2294076798697, 136.968635455372 35.2281069149982, 136.968703495308 35.226829173688, 136.96932176225 35.2268332917161, 136.971960524985 35.2269374607423)) ^^http://www.opengis.net/ont/geosparql#wktLiteral