メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.816450455188 37.4341658320202, 138.816629671018 37.4342996710278, 138.816808897547 37.4344418125306, 138.816974168994 37.4346180647908, 138.816979097415 37.4346243880365, 138.81704418207 37.4347088312176, 138.81719049448 37.434890063751, 138.817346777843 37.4351798265367, 138.817370675764 37.4352256606962, 138.816631240021 37.4352745638023, 138.816330169403 37.4352958009603, 138.815676863435 37.4353056003451, 138.815273593977 37.4353026126142, 138.814875436657 37.4352915824377, 138.814553822017 37.4352883692293, 138.813701550337 37.4353231984904, 138.813349471753 37.4353486471087, 138.813353087843 37.4349943805315, 138.813325586686 37.4345182661244, 138.813294208158 37.4343392514091, 138.812982516181 37.4342587057699, 138.81298722369 37.4341650604031, 138.812991744322 37.4340266402441, 138.812970623146 37.4338516815711, 138.812913946525 37.4337296201105, 138.813107808749 37.4337047386263, 138.813388923139 37.4337935309015, 138.81365971103 37.4338619360663, 138.814181533269 37.4338975596462, 138.814221301864 37.4338395819739, 138.814305897061 37.4338618817378, 138.814935198161 37.4337241696192, 138.814946202942 37.4339114034355, 138.816028353241 37.4339288863371, 138.816450455188 37.4341658320202)) ^^http://www.opengis.net/ont/geosparql#wktLiteral