メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.870802662685 37.0462403956648, 137.871591390325 37.0464588027299, 137.872212593579 37.0466501992884, 137.872045277566 37.0469754862292, 137.871836552331 37.0474226320553, 137.871748734055 37.0478148701656, 137.871580965026 37.0477849070106, 137.871451035531 37.0485540635332, 137.871406954711 37.0487070248645, 137.871206681338 37.0494163912534, 137.871160496526 37.0494040373746, 137.871108848128 37.0493938389448, 137.871080766244 37.0493909436888, 137.871049294654 37.0493890181448, 137.871015569151 37.0493888396988, 137.870967199282 37.0493912583451, 137.870937966685 37.0493946938084, 137.870921096362 37.0493955200927, 137.870884056255 37.0493872281932, 137.870863894046 37.0493771944865, 137.870839297345 37.0493617863143, 137.870823681558 37.0493490317799, 137.870803608435 37.0493282280644, 137.87068539148 37.0493066921353, 137.870498346563 37.0492653611559, 137.870373745995 37.0492403433312, 137.870255893441 37.0492171904454, 137.870105517173 37.0491866829863, 137.869892296062 37.0491404957429, 137.86975621146 37.0491129526597, 137.869362664371 37.0490151188871, 137.868859239039 37.0488806546714, 137.869128465437 37.0478817417173, 137.869277827536 37.0473559993777, 137.869392435388 37.0470867562083, 137.869485987586 37.0469313130894, 137.869603487521 37.0466679298832, 137.869663315716 37.046602139234, 137.870014134949 37.046003682092, 137.870802662685 37.0462403956648)) ^^http://www.opengis.net/ont/geosparql#wktLiteral