メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.778427018046 35.445120217693, 136.777924077872 35.4451383247277, 136.77793186843 35.4452273968963, 136.777588891695 35.4452296773839, 136.777580999307 35.4451708158053, 136.777118829881 35.4451928531641, 136.777114958029 35.4451390739015, 136.777107354385 35.4450291929519, 136.77729830683 35.4450203342777, 136.777448289126 35.4450040209728, 136.777415498831 35.4447812439058, 136.777549134864 35.4447463921389, 136.777627288477 35.4447247768128, 136.777701255932 35.4447149436221, 136.777830666905 35.4447086331506, 136.777982641297 35.4447074300024, 136.778220727014 35.4447300585102, 136.778198397891 35.4446761846361, 136.778399672063 35.4446768288939, 136.778403800445 35.4447490600043, 136.778427018046 35.445120217693)) ^^http://www.opengis.net/ont/geosparql#wktLiteral