メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.207132658093 34.6975165219657, 135.207017393458 34.6977134210196, 135.206837899272 34.6980302268638, 135.2065996075 34.6984646465615, 135.205681164934 34.6980543032962, 135.205915423855 34.6976511521535, 135.206101969731 34.697330103294, 135.206110425576 34.6973152538974, 135.206206464025 34.6971468044721, 135.206628478375 34.6973173100615, 135.206732659423 34.6973638896767, 135.207132658093 34.6975165219657)) ^^http://www.opengis.net/ont/geosparql#wktLiteral