メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.77151889039 43.2135959551697, 140.770520793507 43.2135694686981, 140.769117583277 43.2135280930638, 140.768469211806 43.2139063548474, 140.767693248137 43.2137318703149, 140.767791500337 43.2136093671041, 140.767787149253 43.2135706301303, 140.767780976664 43.213388682411, 140.768270535749 43.2128302254495, 140.768576714985 43.2125227814137, 140.76873943033 43.2123546267993, 140.769600782441 43.212388992697, 140.770425967503 43.2123842043715, 140.771123711954 43.2124009684972, 140.771116987808 43.2126794493624, 140.771556064615 43.2126773947508, 140.771555097562 43.2129365391242, 140.77151889039 43.2135959551697)) ^^http://www.opengis.net/ont/geosparql#wktLiteral