メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.997919337017 34.9302655289053, 136.997519834963 34.9312612826468, 136.99715812317 34.9321618479163, 136.995290594172 34.931623363046, 136.995198604474 34.9316099239555, 136.995542930709 34.930680401254, 136.995711494975 34.9303141991097, 136.996133739485 34.9294497174002, 136.996154873631 34.9293875590412, 136.998123137122 34.9297575459635, 136.997919337017 34.9302655289053)) ^^http://www.opengis.net/ont/geosparql#wktLiteral