メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.919435996313 35.1355822500822, 136.919397892809 35.1359142959999, 136.919344830635 35.1363726543534, 136.918600299643 35.1363361771328, 136.918600410176 35.136335191185, 136.918492149273 35.1363292616319, 136.918560224761 35.1355577552241, 136.918645190781 35.134594726281, 136.918659493694 35.1345215841159, 136.918797184018 35.1345260249117, 136.919524988115 35.1345316899571, 136.919480290954 35.1350595752732, 136.919435996313 35.1355822500822)) ^^http://www.opengis.net/ont/geosparql#wktLiteral