メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.484673208045 39.16333305399, 140.484582086545 39.1634101971537, 140.483284290872 39.1632207924017, 140.483379555047 39.1627430725626, 140.483333820081 39.1627090131936, 140.48329823455 39.1626653417687, 140.483276077621 39.1626165741398, 140.48328969052 39.1625782592622, 140.483323344219 39.1625644254059, 140.483393075153 39.1625307833972, 140.483427856461 39.1625083670311, 140.483500898027 39.1621966719877, 140.48383216222 39.1624440591565, 140.484392782867 39.163064147781, 140.484484576259 39.1631497896317, 140.484673208045 39.16333305399)) ^^http://www.opengis.net/ont/geosparql#wktLiteral