メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.123539813432 37.8697293407176, 139.124088851388 37.870003075172, 139.124651858127 37.8702639240304, 139.124362585873 37.8706521883181, 139.12365995319 37.871599861826, 139.123581852555 37.8717051586248, 139.122717178712 37.8713115932688, 139.122446596038 37.8711787129667, 139.122485662404 37.8711198000667, 139.121943689492 37.8708257481416, 139.12208256753 37.870629887639, 139.120960932792 37.8700789996219, 139.121782991436 37.8693072554416, 139.122120102692 37.8689996939314, 139.122124322276 37.8690051624688, 139.12253660022 37.8692364060032, 139.123152974022 37.8695458320773, 139.123539813432 37.8697293407176)) ^^http://www.opengis.net/ont/geosparql#wktLiteral