Undoing any operation in collaborative graphics editing systems

  title={Undoing any operation in collaborative graphics editing systems},
  author={David Chen and Chengzheng Sun},
Undo is a useful and widely supported feature which can be used to recover from erroneous operations, learn new system features, and explore alternative solutions. The ability to undo any operation at any time is especially important for collaborative editing systems because it can be used to support local or global undo and also multiple undo models. The Any Undo solution presented in this paper is able to undo any operation in collaborative graphics editing systems. The major challenge in… CONTINUE READING

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ACM Trans. Comput.-Hum. Interact. • 1994
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