メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.441552124929 34.7108054288744, 133.442860230295 34.7108171259135, 133.442847623536 34.7122306577505, 133.441562498849 34.712221242491, 133.441552124929 34.7108054288744)) ^^http://www.opengis.net/ont/geosparql#wktLiteral