メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.207734056113 34.7040997428104, 135.207421960368 34.7040050769697, 135.207197657888 34.7044732058109, 135.206096982701 34.7041272778653, 135.206362553084 34.7036904068683, 135.206402725424 34.7036179999399, 135.206539472058 34.7033871402925, 135.206558241146 34.7033554536595, 135.207068128955 34.7035749081618, 135.207577663414 34.7037605575947, 135.207851508801 34.7038509906544, 135.207734056113 34.7040997428104)) ^^http://www.opengis.net/ont/geosparql#wktLiteral