メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.924998819175 37.7928999120945, 140.925204691814 37.7926041946361, 140.925305191913 37.7924776853008, 140.925474247282 37.7925853690479, 140.925204561085 37.7929689638369, 140.924998819175 37.7928999120945)) ^^http://www.opengis.net/ont/geosparql#wktLiteral