メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.883663514542 43.8016449726815, 143.884435008064 43.801567217113, 143.884288055047 43.8027857132289, 143.884159962997 43.803813036117, 143.883394379303 43.8037525794426, 143.883375697561 43.8037511238658, 143.882010039648 43.8036609494718, 143.880553343191 43.8035647453736, 143.880629957894 43.8030407715586, 143.880691827905 43.8025316166921, 143.880762625995 43.8019367373939, 143.881680731397 43.8018445842589, 143.882231672501 43.8017892806959, 143.882971801738 43.8017146905575, 143.883663514542 43.8016449726815)) ^^http://www.opengis.net/ont/geosparql#wktLiteral