メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.840504175167 35.1086367143046, 136.83995642909 35.1088502490077, 136.839972392011 35.1086362808882, 136.840014959958 35.1084812544671, 136.840205715261 35.106684596428, 136.840337602671 35.1066782587874, 136.840766032347 35.1067315888536, 136.840720213097 35.1071208281451, 136.840683119468 35.1073643887745, 136.840504175167 35.1086367143046)) ^^http://www.opengis.net/ont/geosparql#wktLiteral