Knowledge Discovery and Data Mining Processanalyze(massive dataset)develop algorithms()visualize()support human-machine interaction()It concerts about all kinds of data and sources.Data sourcestructureData Mininglow-level algorithmsanalyze(data)extract patterns(data)Knowledge Discoveryapplication domainseek new knowledge from(data): knowledge that is useful to the end userIt has to avoid misuse of data analysis.(Fayyad et al., 1996c)Knowledge Discovery in Database(Klosgen & Zytkow, 1996)Knowledge Discovery in Non-Database SourceFrawley et al. (1991)how is it stored?the discovery process uses