Among the new techniques developed, data mining is the
process of discovering significant knowledge, such as patterns,
associations, changes, anomalies and significant structures from
large amounts of data stored in databases, data warehouses, or
other information repositories (Keim et al., 2004). Customer
knowledge extracted through data mining can be integrated with
product and marketing knowledge from research and can be provided
to up stream suppliers as well as downstream retailers. Thus
it can serve as a reference for product development, product promotion
and customer relationship management. When effectively
utilized, such knowledge extraction can enable enterprises to gain
a competitive edge by producing customer-oriented goods that increase
consumer satisfaction (Arie & Sterling, 2006; Liao, Chen,
Chieh, & Hsiao, 2009; Liao, Chen, & Hsu, 2009; Liao, Chen, & Tseng,
2009; Liao, Hsieh, & Huang, 2008)