メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.238374115009 37.148770313321, 138.239222476901 37.1488995481938, 138.239147635621 37.1493915567244, 138.238899371393 37.1506920893049, 138.238720335377 37.1515524860998, 138.238594147729 37.1523506953164, 138.238435733888 37.1531715723266, 138.238305250376 37.1538695923771, 138.238297844018 37.1539450460184, 138.23824173869 37.1545491741053, 138.238129569351 37.1557570804951, 138.238045622937 37.1566610568223, 138.237696192933 37.1561574738361, 138.237617906501 37.1562354461055, 138.237429829589 37.1558992141035, 138.236880687226 37.1560677261253, 138.236877195808 37.1560599739798, 138.236622089496 37.1555998255488, 138.237069996961 37.1554429858486, 138.236763832847 37.1549640685042, 138.236438300146 37.1544089304157, 138.23600016604 37.1536904932076, 138.235314003813 37.1536251707351, 138.235430876646 37.152922477174, 138.235456209761 37.1527701163415, 138.235190010616 37.1521364005668, 138.235183947988 37.1521219562017, 138.234290960486 37.1520316632986, 138.234625697429 37.1510836227171, 138.234807671619 37.150351861134, 138.234884802047 37.1499176593365, 138.235001891459 37.1489638472032, 138.235031271158 37.1484019715664, 138.236953329347 37.1486077632242, 138.238374115009 37.148770313321)) ^^http://www.opengis.net/ont/geosparql#wktLiteral