| 摘要 |
A document management system includes a management device that manages operation limiting information for limiting an operation of a document, and a document operation device that operates the document, in which the document operation device is provided with an invalidation request portion that requests invalidation of the document, and the management device is provided with an operation historical management portion that manages an operation history of a document for managing the operation limiting information, a related document retrieval portion that retrieves a related document related to the document according to the operation history managed by the operation historical management portion in response to the document invalidation request by the invalidation request portion, and an invalidation portion that sets invalidation information in operation limiting information on a document related to the invalidation request and a related document retrieved by the related document retrieval portion and invalidates the document related to the invalidation request and the related document. |
