メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.86417301584 35.259590793344, 136.86289070951 35.2599065896314, 136.862117095201 35.2601037966071, 136.860778351528 35.2604278098323, 136.86075016722 35.2604285829938, 136.860762921869 35.259881000383, 136.860768723069 35.258855927542, 136.860850507826 35.258848739668, 136.862775871885 35.2588590997452, 136.864037684385 35.2588598081531, 136.864045038529 35.259276311985, 136.86417301584 35.259590793344)) ^^http://www.opengis.net/ont/geosparql#wktLiteral