Patent ID: 7664829

Claim:
A document managing system comprising: a plurality of document managing apparatuses, each of the document managing apparatuses being configured to retrieve a document stored in a document database according to a document ID, and to judge whether or not an operation with respect to the retrieved document is possible according to a first user ID that is generated with respect to said each of the document managing apparatuses; a user ID generating apparatus, provided externally to the document managing apparatuses, configured to generate a second user ID that is common among the plurality of document managing apparatuses; each of the document managing apparatuses including a user ID managing part configured to acquire and manage the first user ID and the second user ID: a document managing part configured to manage the document in correspondence with an access right to the document by associating the first user ID and the document ID: an access control list (ACL) table part configured to register the access right to the document by associating the first user ID and the document ID as ACL data; and an export and import part configured to export and import document data of the document and the ACL data, wherein a first export and import part of a first document managing apparatus among the plurality of document managing apparatuses is configured to export the document data and the ACL data of the document to a second document managing apparatus, a second export and import part of the second document managing apparatus is configured to import the document data and the ACL data of the document exported by the first export and import part, a second document managing part of the second document managing apparatus is configured to register the received document data and the ACL data in a document database of the second document managing apparatus, to acquire a new document ID, and to update the document ID included in the received ACL data to the new document ID, and a second user ID managing part of the second document managing apparatus is configured to acquire the second user ID, common among the first and second document managing apparatuses from the user ID generating part, and to associate and register the second user ID with the new document ID in an access control list (ACL) table part of the second document managing apparatus.