メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.898582874154 35.2362385284136, 136.898513699278 35.2367401466592, 136.898525683988 35.2372539161856, 136.896363152306 35.2372700195322, 136.896426450557 35.2367780386145, 136.896448993583 35.2365633663065, 136.896483755776 35.2362724388552, 136.896491997851 35.2362034536754, 136.896552867199 35.2355508268003, 136.896637784541 35.2350283978469, 136.896761485905 35.2346056358625, 136.896901907448 35.2343679867336, 136.8973076766 35.2345441776529, 136.897668165607 35.2347159698514, 136.89791927627 35.2348249101641, 136.898005429955 35.234870947236, 136.898208394073 35.2349587235272, 136.898381733092 35.2350311518607, 136.898717503755 35.2351579549826, 136.898668115291 35.2356149689678, 136.898582874154 35.2362385284136)) ^^http://www.opengis.net/ont/geosparql#wktLiteral