メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.539094433251 44.0663799480128, 143.536956579576 44.0671301657208, 143.53591350296 44.0674479411762, 143.535785226743 44.0674870194478, 143.534181404424 44.0679827480154, 143.534033106786 44.0677456136653, 143.533555561066 44.0670345943489, 143.533218821675 44.066489100601, 143.53384241491 44.066291790501, 143.534880472465 44.0659633255052, 143.535002807197 44.0659246238251, 143.535393501413 44.0658037131706, 143.535469450625 44.0657802034003, 143.538805573428 44.0648301212957, 143.538930327518 44.0650603408151, 143.5390519065 44.0653598863721, 143.539099794449 44.0655757981092, 143.539107231873 44.0657880927298, 143.539094226992 44.06601107246, 143.539087823365 44.0662731659466, 143.539094433251 44.0663799480128)) ^^http://www.opengis.net/ont/geosparql#wktLiteral