メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.747644085689 38.5834364596242, 140.751076324892 38.582623314788, 140.757983832006 38.5809863395485, 140.758464790176 38.5822586228894, 140.759048364376 38.5837621090121, 140.759624168275 38.5852403899819, 140.760109306723 38.5864984504325, 140.760795239094 38.5882826862825, 140.753630513113 38.5899828730431, 140.750403123541 38.5907485272605, 140.75110741771 38.5925785830488, 140.750555397803 38.5927165706597, 140.74591120348 38.5938226041096, 140.745178057804 38.5919395673328, 140.74385723135 38.5885557706255, 140.743585170229 38.5877519173559, 140.743190178873 38.5867704594768, 140.743010951541 38.586446836713, 140.742811767579 38.5861178488457, 140.742585946762 38.5858200904219, 140.74233383519 38.5856074766574, 140.742781700803 38.5835372612947, 140.743004282021 38.5825686645003, 140.746443423277 38.5817629687197, 140.746961236243 38.5816394761729, 140.747644085689 38.5834364596242)) ^^http://www.opengis.net/ont/geosparql#wktLiteral