メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.699804189497 35.4818374510475, 136.697995811204 35.4818329836992, 136.697782101736 35.4814089012627, 136.697659886539 35.4811069631712, 136.697566473607 35.4808634432791, 136.698385615558 35.4804763939971, 136.698671436693 35.4806534792713, 136.699081807028 35.4808565717008, 136.699548803123 35.4812498728511, 136.699694600397 35.4813753952026, 136.700104770736 35.481621792041, 136.700216023506 35.4817142940982, 136.70026095498 35.4817752392842, 136.700235999383 35.4818329924268, 136.699804189497 35.4818374510475)) ^^http://www.opengis.net/ont/geosparql#wktLiteral