メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.054751839092 37.9276468780155, 139.054488696557 37.9281025655112, 139.054261765459 37.9284810764538, 139.054250697942 37.9284984442725, 139.052950748934 37.9280475986386, 139.053174093399 37.9276461624969, 139.053445564421 37.9271801600766, 139.054087441772 37.9274143489398, 139.054751839092 37.9276468780155)) ^^http://www.opengis.net/ont/geosparql#wktLiteral