Identifying changes in on-line data repositories

G - Physics – 06 – F

Patent

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G06F 17/30 (2006.01)

Patent

CA 2232070

A system for accessing documents contained in a remote repository, which change in content from version-to-version. The system allows users to specify lists of documents of interest. Based on the lists, the system maintains an archive, which contains a copy of one version of each listed document, and material from which the other versions can be reconstructed. The system periodically compares the archive with current versions of the documents located in the respository, and updates the archive, thereby maintaining the ability to reconstruct current versions. The system also monitors access to the versions by each user. When a user calls for a current version, the system presents the current version, and indicates what parts of the current version have not been previously accessed by the user.

L'invention concerne un système pour accéder à des documents rangés dans un gisement éloigné et dont le contenu change d'une version à l'autre. Le système permet aux utilisateurs de spécifier des listes de documents à utiliser. En fonction de ces listes, le système conserve des archives qui contiennent une copie d'une version de chaque document répertorié et du matériel à partir duquel les autres versions peuvent être reconstituées. Le système compare périodiquement les archives avec les versions en cours des documents rangés dans le gisement, les met à jour et conserve ainsi la capacité de reconstruire les versions en cours. Le système contrôle également l'accès aux versions par chaque utilisateur. Lorsqu'un utilisateur appelle une version en cours, le système présente cette dernière et indique les parties de celle-ci auxquelles l'utilisateur n'a pas accédé antérieurement.

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