メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.76048347165 33.34880208114, 130.760061596485 33.3487839157418, 130.759664903193 33.3487565223145, 130.759548088403 33.3487394440591, 130.759537997368 33.3485489123634, 130.759494762606 33.3482509966347, 130.75985343875 33.3483159757936, 130.760365828248 33.3483530338865, 130.760454075215 33.3486895438355, 130.76048347165 33.34880208114)) ^^http://www.opengis.net/ont/geosparql#wktLiteral