| 摘要 |
A consumer needing to compare prices among more than one retailer can access a central system of product-related information for a variety of products available from a plurality of retailers. In addition to identifying products of interest, the consumer can then specify other parameters such as preferences relating to particular retailers and geographical convenience. Based on the specifications provided by the consumer, matching information from the stored product information is then presented to the consumer so tha t a comparison can be made by the consumer among all the retailers selling a particular product. A consumer can then, using the central system, complete an on-line purchase transaction with one of the sellers.
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