メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.129323452396 36.0044273131627, 138.1309233843 36.0050931543938, 138.131431792877 36.0053133199193, 138.131565338633 36.0053688858435, 138.130546093479 36.007158748213, 138.130388958451 36.0070970863966, 138.130360569478 36.0071171070668, 138.130195496024 36.0072335698375, 138.130178450269 36.0072743117329, 138.130117367072 36.0073454505163, 138.129975393264 36.0073779331328, 138.12982006989 36.0073829428498, 138.129597260578 36.0073453120227, 138.129419295878 36.0072625216819, 138.129284814965 36.0071563592561, 138.12909284339 36.0069834412093, 138.128934485896 36.0068223792571, 138.128800171476 36.0066809672478, 138.128651704684 36.0064807742536, 138.128503476257 36.0062296588046, 138.128410229835 36.0060629205216, 138.12835797234 36.0059060967007, 138.128367996972 36.0058199641424, 138.128315253328 36.0057571345192, 138.128175894189 36.0056666291409, 138.128118948767 36.0054745411843, 138.12806212146 36.0052667981114, 138.128038832262 36.0050865669051, 138.128144181924 36.0045387805812, 138.128174737699 36.0043800582748, 138.128233936058 36.0040825803599, 138.128286666405 36.0039905139584, 138.128574129214 36.0034883269816, 138.129631618703 36.0039351107661, 138.129323452396 36.0044273131627)) ^^http://www.opengis.net/ont/geosparql#wktLiteral