メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.319713521131 43.7895679638922, 142.3213470554 43.7907633525781, 142.3216144887 43.7906859551146, 142.322092128507 43.7905421118525, 142.322543773339 43.790653303484, 142.322183843164 43.7907599088635, 142.321896777095 43.7912599149904, 142.322168393403 43.791310745203, 142.322100167927 43.7914477554155, 142.322462315261 43.7915058061182, 142.322993881948 43.7919368003911, 142.322885465094 43.7921059040203, 142.322772853201 43.7921351240133, 142.322547377563 43.7922593133268, 142.322439150623 43.7923189260605, 142.322378854161 43.7923539497457, 142.322177838396 43.7924764702713, 142.321974768463 43.7925567468443, 142.321640963927 43.7926502034679, 142.321174458405 43.7927991355434, 142.320941209108 43.7928750506829, 142.320832619297 43.7929071843405, 142.320728014591 43.7929130681925, 142.320667668828 43.7929072862161, 142.32052681371 43.7928665691767, 142.320349687095 43.7927821522315, 142.320110166738 43.7926526092108, 142.319928993177 43.7925361446972, 142.319510183031 43.7921837736128, 142.31926450828 43.7919478545649, 142.318493285828 43.791253245275, 142.318451520442 43.7912170020036, 142.318412757523 43.7911833582482, 142.31839650972 43.7910493007469, 142.318245696168 43.79104016086, 142.31436689789 43.7878476169994, 142.314605868872 43.7878339982326, 142.314966097271 43.787797790508, 142.315465019073 43.7877480198898, 142.31568032463 43.7877358885584, 142.316491699523 43.7875104285226, 142.316680261576 43.7874490521139, 142.319713521131 43.7895679638922)) ^^http://www.opengis.net/ont/geosparql#wktLiteral