process or tools? DM often appears as a collection of tools presented usually in one package, in such a way that several techniques may be compared on the same data-set But DM is a process not only tools Data Information Knowledge preprocessIng analysis Beijing, 2008 10Beijing, 2008 10 process or tools? ◼ DM often appears as a collection of tools presented usually in one package, in such a way that several techniques may be compared on the same data-set. ◼ But DM is a process, not only tools: Data Information Knowledge preprocessing analysis