メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.849389661223 35.099554470824, 136.849411760577 35.0999245167878, 136.849441054832 35.1003121171164, 136.849468265896 35.1007066127216, 136.84872103193 35.1007444910027, 136.84805172718 35.1007784167729, 136.84701654436 35.1008296044609, 136.847017287328 35.1004274307026, 136.847010638673 35.1000255897656, 136.846993907584 35.0992780238117, 136.847909551767 35.0992287796907, 136.847909158094 35.0992251172054, 136.849359934476 35.0991622918324, 136.849389661223 35.099554470824)) ^^http://www.opengis.net/ont/geosparql#wktLiteral