メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.336873280591 43.091797308777, 141.337348692826 43.091854485312, 141.337862699219 43.0919299017881, 141.33773850682 43.0924417480972, 141.337623109573 43.0928522497741, 141.337564823726 43.092848197195, 141.337114 43.0927697678537, 141.336750101512 43.0927312749103, 141.336638686627 43.0927054885504, 141.336131218835 43.0926417936874, 141.336349489063 43.091728350533, 141.336873280591 43.091797308777)) ^^http://www.opengis.net/ont/geosparql#wktLiteral