メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.903473695386 35.0983652545691, 136.903409975518 35.0985682960575, 136.903710943107 35.0986257867636, 136.903429599633 35.0995400122976, 136.903264609628 35.1000839070973, 136.902946675717 35.1000175742124, 136.902256504596 35.0998783794103, 136.90196535941 35.0999018256938, 136.901732892283 35.0999189223522, 136.901516565756 35.0982221589212, 136.901754419744 35.0982072584106, 136.9017250598 35.09801929608, 136.903473695386 35.0983652545691)) ^^http://www.opengis.net/ont/geosparql#wktLiteral