メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.853065800833 37.4325407757938, 138.853381111682 37.4330274044997, 138.853495240704 37.4332600784679, 138.853609831317 37.4334354469156, 138.853143982989 37.4335745434956, 138.852769395508 37.4336771823122, 138.852377373179 37.4337984545214, 138.851984428469 37.4339262071017, 138.851539822798 37.4340688943323, 138.851247361233 37.4341498803754, 138.850870949997 37.4342599799313, 138.850770237595 37.4343057566054, 138.850506976673 37.4344255143518, 138.850301807565 37.4345324256046, 138.850052193073 37.4346590405388, 138.849781384841 37.434613102817, 138.849805627976 37.4345631876632, 138.849403676109 37.433797750038, 138.8493669225 37.4334965551449, 138.850397913952 37.4331838792072, 138.850608131125 37.4331242602885, 138.850273738274 37.4324692892308, 138.85051884108 37.4323659177817, 138.850514683517 37.4324301330398, 138.850545303108 37.4324089238268, 138.850960433274 37.4321369352807, 138.851147314808 37.4320144492271, 138.85126600658 37.4319349683229, 138.851595386658 37.4317133578154, 138.851927702452 37.431483007921, 138.852452980785 37.4316950240015, 138.852601812309 37.4317704664287, 138.853065800833 37.4325407757938)) ^^http://www.opengis.net/ont/geosparql#wktLiteral