メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.417290836441 43.0101395460431, 144.417611359579 43.0103374987751, 144.418004960398 43.0105805526732, 144.418042573469 43.0106036811144, 144.418626054952 43.01099195083, 144.418154585848 43.0111284576488, 144.417829274267 43.0112355396825, 144.417642117007 43.0113580095654, 144.417397302122 43.0115140618681, 144.416854402065 43.0111569459081, 144.41664693421 43.0110236626753, 144.416445161154 43.010894279855, 144.416144834937 43.0107037481473, 144.415798793752 43.0104831371094, 144.41614026148 43.0101815789915, 144.416654511808 43.0097468546851, 144.416703293009 43.0097769459053, 144.417290836441 43.0101395460431)) ^^http://www.opengis.net/ont/geosparql#wktLiteral