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The attribute reduction and value reduction of rough set were discussed in this paper. The discernibility matrix was extended to value reduction firstly and the attribute significance was redefined based on attribute dependence. An algorithm for classification rules extraction based on discernibility matrix and attribute significance is proposed, which keeps the same classification ability and the...
A consumer "free rides" when the customer uses services at one retailer (e.g., test or examines clothing), but purchases the merchandise at another retailer (for example, an online store). This paper examines the impact of free riding and E-commerce on the provision of retail services by focusing on two types of consumer heterogeneity. Consumers are heterogeneous with regard to: location...
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