メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.907725313419 34.7807435868199, 136.907936549472 34.7809589926551, 136.907685288242 34.7813889362901, 136.907447340008 34.7819489247264, 136.906496489379 34.7826082498794, 136.906160217594 34.7822839675391, 136.905515819622 34.78168659554, 136.905583513533 34.7815098164364, 136.904958263545 34.7813595809637, 136.905075225797 34.7811247316751, 136.90517338137 34.7809791487803, 136.905427513592 34.7807924872426, 136.905676422374 34.780583839333, 136.906329249337 34.7804863506583, 136.906380358522 34.7804391298895, 136.906606305013 34.7800939348103, 136.90791212638 34.7802308192423, 136.907725313419 34.7807435868199)) ^^http://www.opengis.net/ont/geosparql#wktLiteral