5.1 Evaluating E-Commerce Data
                                        
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                                            5.1.1 Which Items Are Users Interested In?
                                        
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                                            5.1.2 Other Item Dimensions
                                        
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                                            5.1.3 Displaying Item Lists
                                        
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                                            5.1.4 Analyzing the Purchasing Behavior
                                        
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                                            5.1.5 Shopping Carts and Wish Lists
                                        
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                                            5.1.6 Mapping the Ordering Process
                                        
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                                            5.1.7 Purchase as Completion of an Order
                                        
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                                            5.1.8 Advertising within the Store
                                        
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                                            5.1.9 Vouchers and Coupons
                                        
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                                            5.1.10 Registrations and Logins
                                        
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                                            5.1.11 Returning Users and Repeat Buyers
                                        
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                                            5.1.12 The User Lifetime Value
                                        
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