メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.333808562372 43.1017722881531, 141.333925629542 43.1019091715473, 141.334143165618 43.1021633236946, 141.334520226493 43.1026231246896, 141.334863436729 43.1030168253199, 141.333599653481 43.1035968144748, 141.333260517099 43.1031748014282, 141.332912912351 43.1027417478261, 141.332673351078 43.1024651958039, 141.3325692806 43.1023450135261, 141.332211877125 43.1019322696877, 141.333456859493 43.1013759810923, 141.333518296915 43.1014330885062, 141.333808562372 43.1017722881531)) ^^http://www.opengis.net/ont/geosparql#wktLiteral