メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.252214669164 37.7303791264124, 139.252155926788 37.730784130013, 139.25211484506 37.7309900866211, 139.251997256668 37.7312115969387, 139.251438323527 37.7318584394163, 139.25242411108 37.7324211962809, 139.252382017134 37.7330001092913, 139.248048027984 37.7326223200683, 139.247738722212 37.73487239482, 139.246482055498 37.7346088037759, 139.243850258635 37.7340207959933, 139.243929410143 37.7336131380472, 139.244575514845 37.73375983367, 139.244768678344 37.7323553770506, 139.245142915138 37.732375953733, 139.244811988595 37.731219225347, 139.246668853077 37.731020059006, 139.247616610213 37.7289504959482, 139.252214669164 37.7303791264124)) ^^http://www.opengis.net/ont/geosparql#wktLiteral