メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.18319700153 35.1239231088548, 137.183626434705 35.1247535506346, 137.182118441513 35.125298549481, 137.181426581196 35.1255648364103, 137.181259501355 35.1252610509748, 137.180667039524 35.1254799968602, 137.180855978385 35.1257984976854, 137.180290348501 35.1260134238729, 137.180274440769 35.1259431433329, 137.180226692623 35.1258189933827, 137.179959161404 35.1251419769902, 137.179449802542 35.1238322375772, 137.179861199529 35.1237225430613, 137.180713630172 35.1234970901054, 137.181236211841 35.123363010827, 137.181949654558 35.1231696081064, 137.18266575158 35.1229880314549, 137.183153947512 35.1238605086605, 137.18319700153 35.1239231088548)) ^^http://www.opengis.net/ont/geosparql#wktLiteral