メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.012593438096 36.761404729474, 137.012459631687 36.7614154731876, 137.011932691975 36.7614545819229, 137.011713560241 36.7614704213739, 137.011805407808 36.7608354071701, 137.012015359195 36.7605896438461, 137.012195317868 36.7606248252992, 137.012204878445 36.760594618238, 137.012782351152 36.7606393105013, 137.012837179295 36.7604669811899, 137.013211577106 36.7604451681348, 137.013783824567 36.7603837194311, 137.013769415865 36.7604563618526, 137.013664037818 36.7611694067768, 137.013673152212 36.7613185136158, 137.012593438096 36.761404729474)) ^^http://www.opengis.net/ont/geosparql#wktLiteral