メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.778399672063 35.4446768288939, 136.778198397891 35.4446761846361, 136.778220727014 35.4447300585102, 136.777982641297 35.4447074300024, 136.777830666905 35.4447086331506, 136.777701255932 35.4447149436221, 136.777627288477 35.4447247768128, 136.777549134864 35.4447463921389, 136.777415498831 35.4447812439058, 136.777448289126 35.4450040209728, 136.77729830683 35.4450203342777, 136.777254092769 35.4448287889789, 136.777180562121 35.4448373198456, 136.77712316087 35.4445702401343, 136.777252348322 35.4445387185157, 136.777220192352 35.4443991106765, 136.777208208025 35.4443234752816, 136.777565650029 35.4443010656335, 136.777567456348 35.4443548736978, 136.778366333084 35.4443439815819, 136.778399672063 35.4446768288939)) ^^http://www.opengis.net/ont/geosparql#wktLiteral