メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.63407304966 34.909445701792, 136.633917840883 34.9095956816237, 136.633667038172 34.9098047568426, 136.633346165332 34.9097635342119, 136.632935528265 34.9097673596639, 136.632090467765 34.9098113308984, 136.631985989752 34.9082126095307, 136.63195960379 34.9079060212726, 136.632752489121 34.9078557724024, 136.633895717067 34.907772284148, 136.633862562221 34.9081450332461, 136.633992105702 34.9083584673024, 136.634104017732 34.9085412145818, 136.634217784094 34.9087483216603, 136.634251702962 34.9089889460947, 136.634233720289 34.9092560413772, 136.63416838975 34.9093536462916, 136.63407304966 34.909445701792)) ^^http://www.opengis.net/ont/geosparql#wktLiteral