メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.391053047584 43.3439422922708, 142.391468065522 43.3440531790358, 142.392205106562 43.3442348377701, 142.39241977469 43.3438368010643, 142.393150861743 43.3433779919357, 142.393255050181 43.3434033199864, 142.39286045944 43.3441061689655, 142.392224475963 43.3453325554854, 142.391848777774 43.3460569737939, 142.391617553586 43.3465359793632, 142.391288051403 43.347204567381, 142.391056064908 43.3471435275045, 142.390966821353 43.3473215657584, 142.390664662341 43.3472371928662, 142.390672194621 43.3471496254864, 142.390653505849 43.3470375465325, 142.390648645356 43.3470083664507, 142.390485507584 43.3467712109067, 142.390330232337 43.3465905892862, 142.390183599738 43.3464003212027, 142.389506982797 43.3467358356645, 142.389393483491 43.3467758495891, 142.389090848614 43.3469082926298, 142.388247241171 43.3459666415937, 142.387443874326 43.3450226859822, 142.387816543352 43.3448455757062, 142.388544973212 43.3445179556342, 142.38924493527 43.3441870600778, 142.389928439882 43.343861739462, 142.390685204921 43.3434979966166, 142.390922436679 43.3437883662856, 142.391053047584 43.3439422922708)) ^^http://www.opengis.net/ont/geosparql#wktLiteral