メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.627036118184 35.3349189046446, 136.624223291153 35.3356460168178, 136.623841871467 35.3343518737529, 136.623486657106 35.3330986909334, 136.623363590674 35.332688783034, 136.623359098499 35.3326729886118, 136.627469405769 35.3325953303562, 136.627957319173 35.3338423346201, 136.62827840523 35.3346802941325, 136.628007134208 35.3346695086645, 136.627675963308 35.3347431715046, 136.627394118341 35.3348168425047, 136.627036118184 35.3349189046446)) ^^http://www.opengis.net/ont/geosparql#wktLiteral