メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.067302295235 35.0807832877928, 137.06820968816 35.0815752623975, 137.069103140268 35.082361093524, 137.068645747336 35.0827363066238, 137.068261016084 35.0830541099818, 137.067939550471 35.0833050585257, 137.067533800178 35.0835998830636, 137.067482104756 35.0835749111304, 137.067347998348 35.0834302859386, 137.067101487103 35.0830686591424, 137.066818384937 35.0826543209649, 137.06660726578 35.0824010355511, 137.066578156033 35.0823681932853, 137.066083793681 35.0818116311994, 137.065753416904 35.0814429590039, 137.0669509569 35.0804778439136, 137.067302295235 35.0807832877928)) ^^http://www.opengis.net/ont/geosparql#wktLiteral