メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.191724832175 35.0732316680179, 137.191129100597 35.0733879274743, 137.190039537306 35.0735488620639, 137.18954759503 35.0736088916996, 137.189484740663 35.0728700048235, 137.188712210431 35.0729117059288, 137.188693446722 35.0726655738879, 137.189164816695 35.0726424538044, 137.189619355424 35.072617715335, 137.189926108782 35.0725808220088, 137.190157111826 35.072541548182, 137.190473226318 35.0724892278877, 137.19076876127 35.0724414894625, 137.191377576651 35.072289806242, 137.191724832175 35.0732316680179)) ^^http://www.opengis.net/ont/geosparql#wktLiteral