メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.01318606869 35.004888514235, 137.013166975115 35.0054443047619, 137.012973826339 35.0054743437575, 137.012733536934 35.0055038294008, 137.012506164604 35.0055322032737, 137.012379575747 35.00553950799, 137.011783323406 35.0055469860229, 137.011403927707 35.0055600924023, 137.010625854609 35.0056042367734, 137.010675414326 35.0047864958651, 137.011443864864 35.0048150911205, 137.012097342197 35.0048424782601, 137.012635901443 35.0048623912687, 137.01318606869 35.004888514235)) ^^http://www.opengis.net/ont/geosparql#wktLiteral