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Probabilistic Methods for Financial and Marketing Informatics by Xia Jiang, Richard E. Neapolitan

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Chapter 11

Collaborative Filtering

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Suppose Joe decides to order books from an on-line store such as the one at Amazon.com. After Joe has made several purchases, we can learn something about Joe’s interests and preferences regarding books from these purchases. A good marketing strategy would be to then recommend further books to him based on what we learned about his preferences. These recommendations would also supply useful information to Joe. One way to do this would be to recommend books that were purchased by individuals who had made similar purchases to those of Joe. This process of recommending items of interest to an individual, based ...

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