メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.288531321946 38.1454657529014, 140.288796591392 38.1462101519857, 140.288039870379 38.1464639902708, 140.28703856996 38.1467997472251, 140.285901522704 38.1471810404719, 140.28575365086 38.1467774431216, 140.285547959982 38.1462159050227, 140.285379915907 38.1457573098835, 140.285376204458 38.1457471565245, 140.285073325101 38.1449185291887, 140.284912107222 38.1444774218112, 140.285215055983 38.1443717015094, 140.285656653222 38.1442176341521, 140.286995418 38.1437504215673, 140.287817784577 38.1434633888256, 140.288531321946 38.1454657529014)) ^^http://www.opengis.net/ont/geosparql#wktLiteral