メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.940786161894 35.1409079820309, 136.940758897138 35.141288488966, 136.940737430749 35.1415805698601, 136.940731320165 35.1416376218138, 136.940675138931 35.1416341744337, 136.940112658024 35.1415998863099, 136.939445656745 35.1415609328976, 136.939450481984 35.1415260961516, 136.939475174943 35.1412162042224, 136.939694078569 35.1412313370992, 136.939706275744 35.1409245252185, 136.939710664688 35.1408141032242, 136.940789412196 35.1408626189918, 136.940786161894 35.1409079820309)) ^^http://www.opengis.net/ont/geosparql#wktLiteral