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Structured content item synchronization

  • US 9,053,165 B2
  • Filed: 09/27/2013
  • Issued: 06/09/2015
  • Est. Priority Date: 07/08/2013
  • Status: Active Grant
First Claim
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1. A computer-implemented method performed by a content management system, the method comprising:

  • receiving, by the content management system from a first client device, a notification of a change to a content item stored on the first client device, the content item having a data format with data semantics unknown to the content management system, the notification of the change comprising an indication of a first semantic location of the change within the content item and an indication of a first version of the content item at a time of the change;

    determining, based on the indication of the first version of the content item, whether a second client device has already made a second change to the content item with respect to the first version of the content item;

    responsive to determining that the second client device has already made the second change, providing a notification of change rejection to the first client device, the notification of change rejection comprising an indication of a second semantic location of the second change within the content item, the indication of the second semantic location having been provided by the second client device;

    receiving a request from the second client device to receive changes to the content item;

    registering the second client device to receive changes to the content item;

    receiving from the first client device a notification of a third change resulting from the first client device combining the change and the second change, the notification of the third change comprising an indication of a third semantic location of the third change within the content item; and

    responsive to receiving the notification of the third change, providing a notification of the third change to the second client device.

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