メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.479720753406 37.765365582468, 140.480294552823 37.7663064209477, 140.480620824663 37.7668529865246, 140.480784857439 37.7671277642534, 140.481225499079 37.7678404075065, 140.480748438474 37.7680257761065, 140.480351004804 37.7681801541259, 140.480335234663 37.7681867175572, 140.479466617378 37.7685555689251, 140.478662115662 37.7688849244412, 140.478650427665 37.7688766808404, 140.477823226771 37.7682976425524, 140.477403588898 37.7674571763701, 140.476893056313 37.7665075295979, 140.476247185753 37.7652108716576, 140.476991978894 37.7650858642982, 140.477260101836 37.7650372333181, 140.478234892276 37.7648643574423, 140.479314244721 37.7646892112252, 140.479720753406 37.765365582468)) ^^http://www.opengis.net/ont/geosparql#wktLiteral