メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.178243037648 36.2388684148976, 139.178318679306 36.2391368482236, 139.178383271926 36.2393962076138, 139.178431889975 36.2395698888669, 139.17869467157 36.2405791983091, 139.178354169945 36.2407214842325, 139.177685519319 36.2410252200724, 139.177590602694 36.2410674919446, 139.177026682103 36.2413188847158, 139.1762505595 36.2416682131287, 139.176152822517 36.241714974926, 139.175192106499 36.2421236430214, 139.1749426775 36.2422402973072, 139.174603020456 36.2417761281389, 139.173920571878 36.2409121100357, 139.173357675176 36.2406149760509, 139.172898194464 36.2403458034496, 139.172361173951 36.240104310734, 139.173742121674 36.2393936612056, 139.175145268126 36.238680812031, 139.175853373558 36.2383087583133, 139.177462420504 36.237470520879, 139.177853879307 36.237266131459, 139.177899080801 36.2375158595466, 139.177926466096 36.2376715044416, 139.17812723521 36.2384128449342, 139.178183745784 36.2386406141809, 139.178243037648 36.2388684148976)) ^^http://www.opengis.net/ont/geosparql#wktLiteral