メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.240738904466 35.2527024301839, 136.240666315808 35.2525945401577, 136.239670757688 35.2531818274736, 136.239311930637 35.2527688494664, 136.238925520752 35.2523465573444, 136.239059804877 35.2522615092635, 136.239662333615 35.2519487931077, 136.240323783049 35.251588845108, 136.241009096536 35.2512079302748, 136.241076365805 35.2512811118173, 136.241284695873 35.2515503601438, 136.241454775344 35.2518327823086, 136.24162042546 35.2520614085456, 136.24171830341 35.2521640377564, 136.240738904466 35.2527024301839)) ^^http://www.opengis.net/ont/geosparql#wktLiteral