メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.591954095787 34.6844821855871, 135.591951359878 34.6850068814506, 135.590883269679 34.6850527461213, 135.590339980302 34.6850782492557, 135.588722937614 34.6851214054692, 135.588647721174 34.684510239363, 135.588595580638 34.6840867780364, 135.588581726793 34.6839743251027, 135.58857873262 34.6839500870019, 135.588573281817 34.6839056973414, 135.588934235602 34.6839055051849, 135.589227235989 34.6839055068565, 135.590347449464 34.6839120911903, 135.591110458945 34.6839019732974, 135.591957199426 34.6838907225874, 135.591954095787 34.6844821855871)) ^^http://www.opengis.net/ont/geosparql#wktLiteral