メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.54502059665 34.0737680151029, 134.545263942148 34.0739265300574, 134.545480270285 34.0740630190336, 134.546091159539 34.0744369572154, 134.546025630396 34.074490620355, 134.545389652055 34.0749941431152, 134.544940190924 34.0753234433865, 134.544679806714 34.0755004068958, 134.543870212217 34.0749019900359, 134.543577662979 34.07467247197, 134.54415578682 34.0741233144327, 134.544526747342 34.0737498909995, 134.544744513129 34.073569628779, 134.545396593053 34.0729306703227, 134.545725618784 34.0730705663016, 134.54502059665 34.0737680151029)) ^^http://www.opengis.net/ont/geosparql#wktLiteral