摘要 |
According to one embodiment, a contents storage unit stores a plurality of contents. An additional information storage unit stores a plurality of additional information each differently corresponding to each of the contents. A selection history storage unit stores a history of selection from the contents and the additional information by a user in the past. A first estimation unit estimates a first preference information representing a tendency of the user's preference for the contents, based on the history. A second estimation unit estimates a second preference information representing a tendency of the user's preference for the additional information, based on the history. A selection unit selects a recommended content from the contents, and selects a recommended additional information from the additional information, based on the first preference information and the second preference information. |