メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.322572132549 43.0935686429044, 141.32274897355 43.0941744821479, 141.322586769431 43.0942458147962, 141.321930913768 43.0945585843067, 141.321735977369 43.0943253396912, 141.321571104814 43.0941603473832, 141.321206025999 43.0936984173155, 141.321142555858 43.0935865716592, 141.322142439694 43.093076582494, 141.322392163642 43.0929605280035, 141.322468923213 43.0932156707861, 141.322626783632 43.0932030266712, 141.322692461715 43.09340406612, 141.322747516596 43.0935204845906, 141.322572132549 43.0935686429044)) ^^http://www.opengis.net/ont/geosparql#wktLiteral