メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.942521542087 35.1831814131563, 136.942565053141 35.1831823398768, 136.942919782973 35.1831919524013, 136.943328980866 35.1832030040323, 136.943368738525 35.1832040649301, 136.943880624301 35.183205801544, 136.944041554581 35.1832363842693, 136.944232887558 35.1832388557261, 136.944442834708 35.1832415726501, 136.944839511263 35.1832598494624, 136.94499123806 35.1838249918602, 136.945110150744 35.1842971857516, 136.945217903669 35.1847259074435, 136.945183622363 35.1847689423905, 136.944170439915 35.1847280305242, 136.943887637367 35.1847167238341, 136.94326709441 35.1846911195897, 136.94259721922 35.1846602070952, 136.942443490807 35.1846532270995, 136.942072959477 35.1846315392315, 136.941688297311 35.1846166551661, 136.941571048548 35.1842714362626, 136.941462523953 35.1839281350397, 136.941418023808 35.1837589678588, 136.941911904222 35.1837739885111, 136.941898334631 35.1837105123215, 136.942116252447 35.1837314884577, 136.942144998315 35.1831732374514, 136.942521542087 35.1831814131563)) ^^http://www.opengis.net/ont/geosparql#wktLiteral