| 摘要 |
User activity data to be provided to a predetermined data service system is generated reflecting a current status of a general user, and the generated current user activity data is acquired. The current user activity data is stored and then provided to the data service system. Here, it is judged whether to keep the to-be-provided current user activity data confidential, in accordance with a predetermined condition. Upon judgment to keep the current user activity data confidential, pseudo activity data different from but not contradictory with the current user activity data to be stored is generated from the stored past user activity data. The generated pseudo activity data is added to the current user activity data to be stored. Thus, a data processing system is provided that allows the user activity data of the general user to be kept confidential if necessary, for protection of privacy.
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