メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.033066854909 39.3863667149008, 140.032875287318 39.3863685641783, 140.032953857114 39.3860158814912, 140.033366339788 39.3859992921026, 140.033496462636 39.3859773136118, 140.033745137609 39.3855456953005, 140.034339603354 39.3856050978427, 140.034391847801 39.3858131469597, 140.034407021865 39.3858347168861, 140.034434610183 39.3858492643612, 140.034496863031 39.3858622195071, 140.035341580762 39.3858250197334, 140.035409151263 39.3863846344291, 140.033082217912 39.3863716056001, 140.033066854909 39.3863667149008)) ^^http://www.opengis.net/ont/geosparql#wktLiteral