メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.25774942261 36.706933011513, 137.259084915173 36.7069393099401, 137.259078278616 36.7080511688786, 137.259077360291 36.7082047266088, 137.259044094334 36.7107576777214, 137.258353198514 36.7107506040472, 137.257717613718 36.7107440485014, 137.257342213594 36.7107449675818, 137.25721236739 36.7103211494009, 137.25690341499 36.7094193389755, 137.256893247521 36.7093987182047, 137.256627663935 36.7088606628196, 137.256566779346 36.7082079741754, 137.256189528042 36.7076901378549, 137.256205302793 36.7069268524066, 137.25774942261 36.706933011513)) ^^http://www.opengis.net/ont/geosparql#wktLiteral