メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.754344422393 35.4227717743212, 136.754338149698 35.4227281272731, 136.754877863084 35.42270076375, 136.755280081731 35.4226857502434, 136.755301841877 35.4230770078868, 136.755144913498 35.4230745507516, 136.755167678204 35.4233673760511, 136.755271608016 35.4233621006135, 136.755270470266 35.4233693059859, 136.755275267413 35.4234416964535, 136.755269099599 35.4234427996462, 136.755119182973 35.4234446522855, 136.75494504777 35.4234467753452, 136.754630207384 35.423458316848, 136.754636241944 35.4234810474714, 136.754437974295 35.423491819854, 136.75444990367 35.4235736179165, 136.753849539202 35.4236251047949, 136.75382435963 35.4235098475889, 136.753790450635 35.4231577369516, 136.753304576629 35.4231620753939, 136.753281416835 35.4228366545845, 136.753723320581 35.4227831558198, 136.754344422393 35.4227717743212)) ^^http://www.opengis.net/ont/geosparql#wktLiteral