A UCB-Like Strategy of Collaborative Filtering

  title={A UCB-Like Strategy of Collaborative Filtering},
  author={Atsuyoshi Nakamura},
We consider a direct mail problem in which a system repeats the following process everyday during some period: select a set of user-item pairs (u, i), send a recommendation mail of item i to user u for each selected pair (u, i), and receive a response from each user. We assume that each response can be obtained before the next process and through the response, the system can know the user’s evaluation of the recommended item directly or indirectly. Each pair (u, i) can be selected at most once… CONTINUE READING