23. The interactive shopping advisor of claim 19 further configured for constructing a plurality of value-word pairs for a product attribute, each value-word pair comprising a respective product attribute value associated with a corresponding comment word.
23. The interactive shopping advisor of claim 19 further configured for constructing a plurality of value-word pairs for a product attribute, each value-word pair comprising a respective product attribute value associated with a corresponding comment word. 24. The interactive shopping advisor of claim 23 wherein, for each respective product attribute value of the plurality of value-word pairs, the interactive shopping advisor is further configured for determining a corresponding support value by plotting the respective product attribute value on a linear axis that represents a graduated range of variations in the product attribute.