メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.177009846537 34.2338585811197, 135.176574590119 34.2338546706869, 135.176578651009 34.2336983327846, 135.176361676302 34.2336946205888, 135.176363234336 34.2335340392801, 135.176359457348 34.2331191519935, 135.176575084963 34.233121728314, 135.176578366926 34.2330544140778, 135.176999236002 34.2330637223781, 135.177002704264 34.2331082605637, 135.177009846537 34.2338585811197)) ^^http://www.opengis.net/ont/geosparql#wktLiteral