メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.757205639429 35.402739152931, 136.757424975179 35.4032113705391, 136.757598238097 35.4036123670783, 136.756412840763 35.4039332810003, 136.756327444282 35.4039567938471, 136.756189228107 35.403565984153, 136.75611021507 35.4035857867195, 136.755922479338 35.4031064989948, 136.755981326691 35.4030859237676, 136.75577279822 35.4025534592917, 136.756357269046 35.4023990310228, 136.756863144502 35.4022669394732, 136.757081252583 35.4022084515372, 136.757282993674 35.4027154701854, 136.757205639429 35.402739152931)) ^^http://www.opengis.net/ont/geosparql#wktLiteral