Patent ID: 7454444
Filing Date: 2008-11-18
Classification: G06F,Y10S

Abstract:
1. A method for synchronizing multiple versions of an object, comprising: receiving a multimedia object; assigning the multimedia object a first unique identifier and history data if the multimedia object does not have an associated unique identifier and history data, the first unique identifier being associated with metadata describing at least one attribute of the multimedia object, and the history data includes a first node representing the first unique identifier; responsive to the multimedia object being modified, assigning the multimedia object a second unique identifier, the second unique identifier being associated with metadata describing at least the modification of the multimedia object, said modification representing a change that has been made to the data of the multimedia object, and updating the history data to include a second node representing the second unique identifier of the multimedia object and to associate the second node with the first node; storing the multimedia object and the updated history data.