メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.134999098123 35.9725579187529, 136.133520479552 35.9725421355982, 136.132972089274 35.9725602241888, 136.131784053952 35.9726838239375, 136.131809035608 35.9723298828057, 136.132058664722 35.972322093934, 136.132107498081 35.9711018591821, 136.133059817259 35.9711007850432, 136.133068602612 35.9708229504042, 136.133049736219 35.9705977099468, 136.133512354469 35.9705597823784, 136.133716955287 35.9705533119294, 136.1350790811 35.9705732818239, 136.134999098123 35.9725579187529)) ^^http://www.opengis.net/ont/geosparql#wktLiteral