メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.762344344827 35.4170440467268, 136.762765806376 35.4170293524938, 136.762764233759 35.4169997713509, 136.763027025594 35.4169932477764, 136.763038007473 35.4172239091217, 136.763047328685 35.417451079338, 136.762398834629 35.4174853381602, 136.762391252474 35.4174360546415, 136.762108259054 35.4174565235691, 136.76181742576 35.4174705570238, 136.761803216187 35.4172324906805, 136.761761718423 35.4170069033753, 136.762021150244 35.4169841739992, 136.76232820401 35.4169600525744, 136.762344344827 35.4170440467268)) ^^http://www.opengis.net/ont/geosparql#wktLiteral