メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.67625001383 35.07445275895, 136.675278835321 35.073797083186, 136.675339075854 35.0736385026437, 136.675527293728 35.0731313804791, 136.675919997706 35.0731608862065, 136.676143294905 35.0731785877114, 136.676150100902 35.0735360275855, 136.676160213254 35.0738269685611, 136.676147030295 35.0740927555941, 136.67625001383 35.07445275895)) ^^http://www.opengis.net/ont/geosparql#wktLiteral