メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.790270260702 35.0648838771212, 136.790128763447 35.0648728739217, 136.78843953392 35.0647425429593, 136.786725702145 35.0645986604617, 136.785448019178 35.0644861967214, 136.785413000634 35.0648479289944, 136.784841445904 35.0648326093163, 136.784876035193 35.0644434813887, 136.784939340346 35.0637504907514, 136.784970760584 35.0633048020823, 136.78550042897 35.0634121048542, 136.785515753748 35.0632358097178, 136.785548368986 35.0628750558787, 136.785837984568 35.0601231364302, 136.790836704341 35.0605424583911, 136.790737898886 35.0613303495526, 136.790508334079 35.0630953312988, 136.790270260702 35.0648838771212)) ^^http://www.opengis.net/ont/geosparql#wktLiteral