メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.472428821955 43.0620696451574, 144.471058412078 43.063092872237, 144.470817570845 43.0629254612726, 144.470644911375 43.0628027895899, 144.470210796416 43.0624942586453, 144.471574465175 43.061475603246, 144.472656210183 43.0606450493184, 144.47250055996 43.060287157372, 144.472694620678 43.0604023071144, 144.472986299006 43.0606443279982, 144.473565994156 43.0612495383271, 144.473124263988 43.0615260032507, 144.472428821955 43.0620696451574)) ^^http://www.opengis.net/ont/geosparql#wktLiteral