メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.592285056973 36.5567953353309, 136.593326910339 36.5568523400114, 136.593139359036 36.5586505049911, 136.592952450124 36.5603957993626, 136.591162374529 36.5591279170661, 136.590984236996 36.5589822180024, 136.590773485365 36.5588098443261, 136.590407363867 36.5585642940082, 136.590421995514 36.5585214890953, 136.590479487293 36.5582826291915, 136.590592110606 36.5580943423025, 136.591435816775 36.5571270505489, 136.591515723794 36.5570134117439, 136.591557666033 36.5569415878394, 136.591559905346 36.5569279039374, 136.591588863183 36.5567530495159, 136.59199698281 36.5567771936234, 136.592285056973 36.5567953353309)) ^^http://www.opengis.net/ont/geosparql#wktLiteral