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Data storage method and device and communication gateway machine

A technology of data storage and communication network, applied in database model, relational database, electronic digital data processing and other directions, can solve the problem of inability to process semi-structured data and unstructured data

Active Publication Date: 2017-03-22
XUJI GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a data storage method, device and communication gateway, which are used to solve the problem that a relational database oriented to structured data storage cannot handle semi-structured data and unstructured data

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  • Data storage method and device and communication gateway machine
  • Data storage method and device and communication gateway machine
  • Data storage method and device and communication gateway machine

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Embodiment Construction

[0028] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0029] An embodiment of a communication gateway of the present invention includes a base class creation unit, a classification unit, a matching unit, and a mapping unit, and also includes a unit for dividing the data objects in the mapping unit into metadata with uniform granularity and storing them in a relational database ,specifically:

[0030] Base class creation unit: According to the type of data source in the power system, use object-oriented thinking to create three base classes, namely structured data class, semi-structured data class, unstructured data class, each base class according to its own A characteristic contains specific properties and methods. Among them, the structured data class includes information such as fixed fields and relational database operation methods, the semi-structured data class includes information such ...

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Abstract

The invention relates to a data storage method and device and a communication gateway machine. Base classes are established according to three classes of data, namely structured data, semi-structured data and unstructured data; data sources inherit the base classes and data objects are established; and distributed storage of massive data is realized through a mapping relation between the data objects and relational databases.

Description

technical field [0001] The invention belongs to the field of intelligent substation data communication, and in particular relates to a data storage method, device and communication gateway machine. Background technique [0002] In recent years, the volume of data processed by smart substations has jumped from TB level to PB level, and the type of power data has also changed from a single structured data to a variety of structured data, semi-structured data and unstructured data. Therefore, smart The storage of power data in substations is faced with huge volume and various types of difficulties. [0003] At present, data storage generally adopts relational databases, which analyze and query the corresponding data according to certain relational rules. Traditional relational databases can only handle structured data with fixed fields, and cannot handle structured data containing topics, keywords, Semi-structured data such as descriptions and unstructured data containing info...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/273G06F16/284
Inventor 牛津文慕宗君李江林方伟马国强袁方方王广民李宝潭郭利军邵春梅李瑞山董朋涛
Owner XUJI GRP
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