| 摘要 |
An information processing apparatus includes an operation detector that detects an operation performed on information, a history memory controller that controls a history memory such that the history memory stores as history information an operator and information, serving as an operation target, in a mapped state if the operation detector has detected the operation, an extractor that extracts from the history memory an operator having performed the operation if the operation detector has detected the operation, and a notifier that notifies the operator extracted by the extractor that the operation has been performed on the information.
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