メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.78262334043 38.0479293240183, 140.782672118463 38.0479393408745, 140.783489193155 38.0480759828334, 140.783491212907 38.0483841644238, 140.783498072372 38.0494310502323, 140.783501687612 38.0499826498468, 140.783501769512 38.0500248855986, 140.783176245655 38.050018687692, 140.783047716126 38.0500358069289, 140.781937455208 38.0489298602409, 140.781352813029 38.0483475864542, 140.780491691312 38.0474898070969, 140.7815359213 38.047705125034, 140.78262334043 38.0479293240183)) ^^http://www.opengis.net/ont/geosparql#wktLiteral