メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.353984605423 43.1025048857453, 141.354417969465 43.1025554603673, 141.354445658274 43.1025587714268, 141.355012660254 43.102626561577, 141.354720952918 43.1037668832486, 141.354171133024 43.1036984539365, 141.353704708838 43.103630673204, 141.352946551889 43.1035339560928, 141.353234263545 43.1024191998889, 141.35352987537 43.1024518216136, 141.353984605423 43.1025048857453)) ^^http://www.opengis.net/ont/geosparql#wktLiteral