| 摘要 |
According to one embodiment, a context acquisition unit acquires a context of a user and a date when the context has occurred. A context storage unit stores the context and the date. An activity information storage unit stores activity information of the user and date information to schedule the activity information. A first assignment unit assigns, to a first date corresponding to the date information, the activity information or an activity label extracted from the activity information. A second assignment unit assigns, to a second date to which the activity information or the activity label is not assigned, an activity label by using the context of the second date and an activity label assignment rule previously trained.
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