メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.190007222887 36.7558595646211, 137.189908962983 36.7558696521487, 137.18973095998 36.7559040443123, 137.189289500987 36.7560053739437, 137.188730569171 36.756147769987, 137.188118225683 36.7562758115608, 137.187967509283 36.7562940033704, 137.188077751683 36.755846127937, 137.188422722457 36.7545310158925, 137.188471340339 36.7543772385663, 137.188866372174 36.7538337696452, 137.18939188948 36.7531298876598, 137.189471271183 36.7530308809258, 137.190009933218 36.7523591036192, 137.190758588905 36.751828868624, 137.191124501428 36.7515843443926, 137.191306864153 36.7517179361589, 137.192252340379 36.7524881186, 137.191950205036 36.7527672026005, 137.191656945599 36.7530176277641, 137.191177065655 36.7534325614448, 137.190910487866 36.7537402214394, 137.190670565936 36.7540049278007, 137.189959691041 36.7548778270631, 137.190007222887 36.7558595646211)) ^^http://www.opengis.net/ont/geosparql#wktLiteral