Abstract: Creation and various uses of an example model of preferences that displays certain types of time and history dependent dynamics are disclosed. Creation and use of the model may be based on insights from studies in human psychology and gained from the exploration of real world temporal preference data. Particularly, the dynamics of satiation for familiar content are incorporated in the model by dynamic item preference states. In some examples, the model may identify different latent preference states for items which are called the Sensitization, the Boredom, and the Recurrence states. Dynamics in a user's preferences for items may be attributed to the dynamics in these item states.