メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.955414382462 37.6356312207101, 138.955935702281 37.6354142256978, 138.956017177147 37.635377588269, 138.956589489904 37.6351625054945, 138.957586528951 37.6374941733594, 138.958076853477 37.638657851575, 138.958638923825 37.6399554188373, 138.95741213416 37.6402856784111, 138.95736931473 37.6402971072845, 138.956803682465 37.6404457159774, 138.956181532292 37.6406170663495, 138.955567148749 37.6407852857231, 138.954958746216 37.6409399632806, 138.953926990972 37.6385418182882, 138.953050918025 37.6365005261958, 138.953653487698 37.636287453955, 138.953664175912 37.6362836122956, 138.954222266322 37.6360783088239, 138.954824597302 37.6358562207149, 138.955414382462 37.6356312207101)) ^^http://www.opengis.net/ont/geosparql#wktLiteral