Recommender systems use data collected about past behaviours, such as books or music choices, of large numbers of people and use this to suggest new things to read, or listen to. They use bog data echnques such as lareg-scale statistical methods.
Defined on page 412
Used on Chap. 8: pages 151, 164; Chap. 10: page 214; Chap. 13: page 313; Chap. 17: page 412; Chap. 19: pages 457, 462, 466; Chap. 21: page 516; Chap. 24: page 586