メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.180095008982 35.094619377733, 137.179804508241 35.0951139458584, 137.179492055931 35.0949248928863, 137.179258049119 35.0948085813162, 137.1790908945 35.094728388677, 137.178952029585 35.0946839684156, 137.178805454428 35.0946375062953, 137.178648603378 35.0945953424279, 137.17848916579 35.0945678270434, 137.17838631226 35.0945445980035, 137.178459540316 35.0940532351091, 137.178359252083 35.0940342324844, 137.178397756391 35.0934361082584, 137.179958587381 35.0935055584245, 137.180041001426 35.0945750173542, 137.180095008982 35.094619377733)) ^^http://www.opengis.net/ont/geosparql#wktLiteral