メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.100786930245 34.6056067747429, 136.100488968931 34.6061539972208, 136.100360811454 34.6063434243938, 136.098903916018 34.6063582762351, 136.098814648092 34.60639539602, 136.098761519678 34.6064160056249, 136.098565841844 34.6060609033885, 136.09837002653 34.6056918561015, 136.098341632795 34.605299572055, 136.098365788959 34.6044940898542, 136.098046907781 34.6039082102089, 136.098267338864 34.603855068747, 136.098490588324 34.6038409420025, 136.098819922845 34.6038406756549, 136.101775563317 34.6038497968514, 136.100786930245 34.6056067747429)) ^^http://www.opengis.net/ont/geosparql#wktLiteral