Traceability information association query method and device

A technology of traceability information and associated query, applied in the field of data processing, can solve the problem that the hash value has no relationship

Active Publication Date: 2021-04-16
PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, in the process of querying the traceability information, the hash value of the original data is used to trace the source, but the original data with high continuity, high timeliness and high information content will be fragmented due to the larg

Method used

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  • Traceability information association query method and device
  • Traceability information association query method and device
  • Traceability information association query method and device

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Embodiment Construction

[0050]In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0051] See figure 1 , which shows a flow chart of a traceability information association query method provided in the embodiment of the present application, which may include the following steps:

[0052] 101: Obtain data annotations corresponding to the data to be queried, and obtain query conditions based on the data annotations.

[0053] In this e...

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Abstract

The invention provides a traceability information association query method and device, and the method comprises the steps: obtaining a data label corresponding to to-be-queried data, obtaining a query condition based on the data label, querying the traceability information corresponding to the query condition from a block chain based on the query condition, and if the traceability information corresponding to the query condition is queried from one block of the block chain, taking the traceability information corresponding to the query condition as current traceability information, obtaining a storage identifier of another piece of traceability information related to the current traceability information from a block storing the current traceability information, and obtaining another piece of traceability information from a block pointed by the storage identifier based on the storage identifier of the another piece of traceability information, and taking the other piece of traceability information as the current traceability information, returning to execute the operation of obtaining the storage identifier of the other piece of traceability information related to the current traceability information from the block storing the current traceability information until the value of the storage identifier obtained from the block is empty, and outputting all queried traceability information to achieve traceability information associated query.

Description

technical field [0001] The present application belongs to the technical field of data processing, and in particular relates to a method and device for associative query of traceability information. Background technique [0002] Data traceability is to obtain the evolution process of the original data through the collection of the historical evolution process of the data, and store the traceability information after the traceability information is generated to ensure the reliability of the source of the original data; through the query of the traceability information, the source of the original data is verified. [0003] At present, in the process of querying the traceability information, the hash value of the original data is used to trace the source, but the original data with high continuity, high timeliness and high information content will be fragmented due to the large amount of data, and the fragmented data The hash value has nothing to do with each other, so that only...

Claims

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Application Information

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IPC IPC(8): G06F16/242G06F16/27G06F21/64
Inventor 陈性元孙奕张鑫杜学绘任志宇张东巍周传鑫汪德刚
Owner PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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