メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.317659869082 43.0961052468477, 141.31672489544 43.0967652488184, 141.316430703693 43.0964144413857, 141.316223340045 43.0961790483603, 141.316147868612 43.0960932650555, 141.315628836609 43.0955211251434, 141.315697347937 43.0954712599459, 141.31617624627 43.0951227550218, 141.316249027458 43.0950697592544, 141.317123544107 43.0944461909544, 141.318353722651 43.0957383013797, 141.318211336812 43.0957235683683, 141.317659869082 43.0961052468477)) ^^http://www.opengis.net/ont/geosparql#wktLiteral