メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.364199894924 43.0854577435141, 141.364138687285 43.085703138737, 141.364124877607 43.0857490972248, 141.364031194431 43.0861370051937, 141.363946975104 43.0864739987528, 141.363846716735 43.086858550758, 141.362273644756 43.0866458551637, 141.362373049007 43.0862413955734, 141.362458012712 43.0859329616642, 141.362549023034 43.0855381402905, 141.362606619017 43.0853637506086, 141.362635972345 43.0852381599624, 141.362716036474 43.084956481368, 141.363737375979 43.0850940103041, 141.364269454421 43.0851721142145, 141.364199894924 43.0854577435141)) ^^http://www.opengis.net/ont/geosparql#wktLiteral