メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.790723215697 34.9139440020329, 138.79078775776 34.9138272188307, 138.791892221126 34.9142781639158, 138.791950698943 34.9142057632473, 138.792295851729 34.9143178196044, 138.792443419693 34.9144215510306, 138.792488256231 34.9144683469388, 138.792543365912 34.914543357987, 138.792580130035 34.9146034836036, 138.792627033349 34.9146602743488, 138.792812476098 34.9148184948291, 138.792757978102 34.9156254374197, 138.793698562802 34.9166575702317, 138.795460632668 34.9174873805691, 138.792189301988 34.9181421871515, 138.79025705867 34.9177155817173, 138.788831573572 34.9174221701222, 138.787463939444 34.9164853895789, 138.786827342729 34.9160274443231, 138.787265783236 34.9143708610947, 138.787289638921 34.9142488947307, 138.787431710985 34.9141944669674, 138.788172706367 34.914236921015, 138.788331416242 34.9142464007591, 138.788524445038 34.9137411153746, 138.788757020723 34.9137813341656, 138.789047123048 34.9138547270729, 138.789211977924 34.9133685243604, 138.789658803257 34.913482737832, 138.789808909725 34.9135318163079, 138.789769382738 34.9136636104735, 138.790723215697 34.9139440020329)) ^^http://www.opengis.net/ont/geosparql#wktLiteral