メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.357625206609 43.150399698222, 141.357770457317 43.1510527825373, 141.357807756275 43.151149846405, 141.357800758897 43.1514529115345, 141.357426118712 43.1515008386427, 141.356185614234 43.1516624111034, 141.35566137928 43.1517192913418, 141.355590038813 43.1513744728899, 141.355487142505 43.1509934705072, 141.355401915071 43.1505866539717, 141.355299582574 43.1501869477999, 141.355849154412 43.1501438383719, 141.355987681697 43.1500304948825, 141.356212684029 43.1502449970951, 141.357161396486 43.1501134283585, 141.357545918677 43.1500722597457, 141.357625206609 43.150399698222)) ^^http://www.opengis.net/ont/geosparql#wktLiteral