1. The CINQ project (1998-2002),
http://www.cinq-project.org
2. Common Warehouse Metamodel, CWM (2001),
http://www.omg.org/cwm
3. ISO SQL/MM Part 6 (2001),
http://www.sql-99.org/SC32/WG4/Progression_Documents/FCD/fcd-datamining-2001-05.pdf
4. Predictive Model Markup Language (PMML) (2003),
http://www.dmg.org/pmmlspecs_v2/pmml_v2_0.html
5. The PANDA Project (2002),
http://dke.cti.gr/panda/