A Consistency Maintenance Method for Collaborative Editing by Manipulating Bounding Boxes

A collaborative editing and bounding box technology, which is applied in the fields of instruments, computing, and electrical digital data processing, can solve problems such as extended operation response time and inability to adapt to dynamic changes in collaborative scale, and achieve the effect of fast operation response

Inactive Publication Date: 2018-03-02
WUHAN UNIV
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Problems solved by technology

However, the existing methods have the following two prominent shortcomings: (1) With the continuous accumulation of operations, the records will continue to increase, resulting in prolonged operation response time; (2) Dependency is based on the sequence of operations, not Ability to adapt to dynamic changes in synergy scale

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  • A Consistency Maintenance Method for Collaborative Editing by Manipulating Bounding Boxes
  • A Consistency Maintenance Method for Collaborative Editing by Manipulating Bounding Boxes
  • A Consistency Maintenance Method for Collaborative Editing by Manipulating Bounding Boxes

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Embodiment Construction

[0032] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0033] A method for maintaining the consistency of collaborative editing for manipulating bounding boxes provided by the present invention firstly defines dependencies based on conversion semantics;

[0034] Definition 1. Dependencies; given any two operations O a and O b , if O a at O b Executed before, it is called O b depends on O a ; if and only if O a and O b The location relationship of the action object satisfies the following three conditions: (1)O b .t=O a .t=ins,O b .p=O a .p,O b .sid≥O a .sid, then O b Right depends on O a ; (2)O b ...

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Abstract

The invention discloses a collaborative editing consistency maintenance method for operating a bounding box. The collaborative editing consistency maintenance method comprises the following steps: firstly, on the basis of transfer semantics, defining a dependency relationship, and then, carrying out local operation processing and remote operation processing; and in the processes of the local operation processing and the remote operation processing, organizing inserting operations which have the dependency relationship into the bounding box, and controlling the volume of the bounding box, wherein the local operation comprises the inserting operation and deletion operations, and the deletion operations are subjected to descending sort according to an acting position relationship. The collaborative editing consistency maintenance method can support multiple users to collaboratively edit the same document in real time under a peer-to-peer network environment, can guarantee that the synergy results of multiple users are consistent, and can improve operation responsiveness.

Description

technical field [0001] The invention belongs to the technical field of computer-supported collaborative work, and relates to a real-time text collaborative editing method, in particular to a collaborative editing consistency maintenance method for operating bounding boxes. Background technique [0002] Collaborative editing is an important application field in computer-supported collaborative work. Collaborative editing is a distributed system that allows geographically dispersed users to jointly edit the same document. Each site stores a copy of this document. Therefore, modifications to documents on the site are immediately presented to the user, and these actions are then sent to other users over the network. Operations of different users often conflict and are executed out of order. The consistency maintenance method is to achieve consistent results for multiple users under high concurrency conditions, thereby improving work efficiency. [0003] Operational Transform...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/24G06F17/22
CPCG06F40/166G06F40/197
Inventor 何发智蔡维纬
Owner WUHAN UNIV
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