メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.499582786341 35.6437775423262, 140.498923646303 35.6459908964922, 140.498831508254 35.6459328476571, 140.498674173676 35.6458464583392, 140.498504690886 35.6458038297229, 140.498433276996 35.645779995731, 140.498275361085 35.6456961444252, 140.498078324328 35.6456021190938, 140.497798589359 35.6454493924244, 140.497515442349 35.6452960146273, 140.497443653243 35.6452261985664, 140.497280122599 35.6450888211636, 140.49706457868 35.6449522911287, 140.497541145521 35.6433689921782, 140.499582786341 35.6437775423262)) ^^http://www.opengis.net/ont/geosparql#wktLiteral