1. EarthServer - Big Earth Data Analytics (seen on March 8, 2013)
2. GDAL - Geospatial Data Abstraction Library (seen on March 8, 2013)
3. ISO/IEC 9075-9:2008 Information technology - Database languages - SQL - Part 9: Management of External Data (SQL/MED)
4. Oracle bfile (seen on March 8, 2013)
5. Scidb (seen on March 8, 2013)