Data increment updating method

A technology of incremental update and data, applied in the direction of program loading/starting, program control devices, etc., can solve the problems of long running time, large incremental package, low compression rate, etc., and achieve short running time, high compression rate, and application wide range of effects

Inactive Publication Date: 2015-08-12
倪桂强
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0010] The main technical problem to be solved by the present invention is to provide a conversion method for the problems of relatively large incremental package, low compression rate, long running time and

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Embodiment Construction

[0044] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0045] It should be noted that, unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field of the present invention. Terms used in the description of the present invention are only for the purpose of describing specific embodiments, and are not used to limit the present invention. The term "...

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Abstract

The invention discloses a data increment updating method. The method comprises the following steps: constructing a similar information set, constructing a horizontal line segment graph, constructing a path graph, constructing a minimum cost path, constructing an increment packet and applying the increment packet. With the adoption of the technical scheme, the similar degree between new and old files is represented in the form of a graph, the problem of generating a minimum increment packet is converted into the problem of finding a shortest path, and the minimum increment packet is generated according to the path; the data increment updating is carried out based on the method disclosed by the invention and the data quantity can be averagely reduced by 69.3%; compared with the data increment updating method in the prior art, the compression ratio is high, and the operation time of applying the increment packet is shorter; and the method has a wide application range, is not only applicable to consumer electronics, but also can be applied to other platforms and systems.

Description

technical field [0001] The present invention relates to the field of data updating of computers, smart devices, consumer electronic products, etc., and in particular to a data incremental updating method. Background technique [0002] With the increasing number of application services provided by consumer electronics products such as smart phones and wearable devices, the application scope of data update services such as system updates, application software upgrades, and security vulnerability repairs is becoming wider and wider. Among them, the change of code or data is the main reason for the difference between the old and new versions of software, and the difference information between the old and new versions of software is often much smaller than the size of the software itself. Therefore, updating using incremental data is very efficient. The difference between the old and new files is found through incremental updating, and the difference information is expressed as a...

Claims

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Application Information

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IPC IPC(8): G06F9/445
Inventor 倪桂强陈志龙姜劲松罗健欣马遥严英资
Owner 倪桂强
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