メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.155806207906 34.6662210447792, 135.155023180067 34.6670309077101, 135.154084725499 34.6664670511396, 135.154897337858 34.6656141739711, 135.155191096276 34.665806008905, 135.155297305438 34.6658836081081, 135.15538067651 34.6659444586431, 135.155560874488 34.6660650824168, 135.155583872687 34.6660805623879, 135.155806207906 34.6662210447792)) ^^http://www.opengis.net/ont/geosparql#wktLiteral