メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.155750571366 34.6678872668968, 135.155408668661 34.6682227703749, 135.155227421874 34.6681000404468, 135.155206500846 34.6680982624613, 135.154503067342 34.6676332924101, 135.154535148656 34.6676066435592, 135.154469642396 34.6676025780973, 135.155023180067 34.6670309077101, 135.15542754264 34.6672787598805, 135.156003005883 34.6676395514872, 135.155750571366 34.6678872668968)) ^^http://www.opengis.net/ont/geosparql#wktLiteral