メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.026215681254 37.9181876552151, 139.02605849651 37.9184314898267, 139.025760702415 37.9187395830879, 139.025647086826 37.9188570803255, 139.025369095771 37.9191514284909, 139.024785813249 37.9189204573347, 139.024541626047 37.9188396036379, 139.024336735431 37.918761391832, 139.024169090095 37.9187038498059, 139.024073049831 37.9186751328512, 139.023981587843 37.9186216174881, 139.023887162847 37.9185637506466, 139.023848537946 37.918536750592, 139.023750389365 37.9184987514153, 139.023565731898 37.918429037271, 139.023357790899 37.9183463304841, 139.023004322545 37.9182047168986, 139.023082756131 37.9180437362373, 139.02329757731 37.917624655003, 139.023428067146 37.9173491258369, 139.026215681254 37.9181876552151)) ^^http://www.opengis.net/ont/geosparql#wktLiteral