メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.170997613864 34.6673614082809, 135.171828693646 34.6672722923946, 135.172034943416 34.6679785367357, 135.172222216658 34.6686961802481, 135.171787771715 34.6688532749258, 135.17170307571 34.6688823116125, 135.17145294899 34.6689651696429, 135.170936464312 34.6691445182213, 135.170874998904 34.6692711496243, 135.170603342318 34.6682994156581, 135.170520181992 34.6680153161153, 135.170515768647 34.6680002745578, 135.170343441473 34.667410987616, 135.170686796978 34.6673849594906, 135.170997613864 34.6673614082809)) ^^http://www.opengis.net/ont/geosparql#wktLiteral