メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.429915161621 31.896967173469, 131.430243258077 31.897606544103, 131.43025731581 31.8976368647267, 131.430277239827 31.897631937054, 131.430277609182 31.8976317951457, 131.430567060719 31.8982009754633, 131.43057899997 31.8982285550855, 131.430777150658 31.8986122419896, 131.43081971026 31.8986974249618, 131.431051939453 31.899162093224, 131.431168325341 31.8993950605711, 131.430165434955 31.8998138640476, 131.428987790504 31.9002740329469, 131.428388784757 31.8994114973561, 131.428098711711 31.8989824513019, 131.427804559324 31.8985549677446, 131.427717870333 31.8984280064368, 131.427038983384 31.8974145919251, 131.427797769815 31.897086519635, 131.428212944316 31.896913804229, 131.428507716032 31.896798201976, 131.428804654422 31.8966867486807, 131.42920451797 31.8965346540869, 131.429238304926 31.8965181968009, 131.429599920435 31.8963737666091, 131.429899995418 31.8969380540771, 131.429911869111 31.896960701836, 131.429915161621 31.896967173469)) ^^http://www.opengis.net/ont/geosparql#wktLiteral