Conversion method and device for triple data in knowledge graph

A knowledge graph and triplet technology, which is applied in the field of triplet data conversion in knowledge graphs, can solve problems such as the limitation of knowledge graph data sources, the inability of data to be converted into triplet data, and the heavy workload of developers. The effect of extending the data source

Pending Publication Date: 2020-01-17
GOLDEN PANDA LTD
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Problems solved by technology

[0004] In the prior art, for two-dimensional tables of different formats, developers need to design corresponding triplet data conversion methods according to the format characteristics, which obviously requires a lot of work for developers
However, for two-dimensional tables in certain formats not implemented by developers, the stored data cannot be converted into triple data, so it cannot be used as a data source for knowledge graphs
Obviously, the above method greatly restricts the data source of the knowledge map

Method used

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  • Conversion method and device for triple data in knowledge graph
  • Conversion method and device for triple data in knowledge graph
  • Conversion method and device for triple data in knowledge graph

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Embodiment Construction

[0027] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0028] In order to facilitate the understanding of the technical solution, before introducing the technical solution provided by this application, several concepts involved in the technical solution of this application are briefly introduced:

[0029] Knowledge Graph (English: Knowledge Graph): In the library and information industry, it is called knowledge domain visualization or knowledge domain...

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Abstract

The invention provides a conversion method and device for triple data in a knowledge graph. The conversion method comprises the steps: reading data from a to-be-processed two-dimensional table, and storing the data in a preset data format; obtaining metadata of the data in the to-be-processed two-dimensional table, and generating a triple conversion rule based on the metadata, wherein the metadatais used for describing data in the to-be-processed two-dimensional table; and according to the triad conversion rule, converting the data stored in the preset data format into triad data so as to bestored in a knowledge graph. According to the conversion method and device, the data in the two-dimensional tables of various formats can be converted into the triple data, and the difference of the two-dimensional tables of different formats is shielded, so that the data in the two-dimensional tables of various formats can be used as data sources of the knowledge graph, and the data sources of the knowledge graph are expanded.

Description

technical field [0001] The invention belongs to the technical field of data processing, and in particular relates to a method and device for converting triplet data in a knowledge graph. Background technique [0002] The knowledge graph aims to describe various entities or concepts and their relationships that exist in the real world. It constitutes a huge semantic network graph. Nodes represent entities or concepts, and edges are composed of attributes or relationships. Based on the fact that triples are a general representation of knowledge graphs, the basic forms of triples mainly include (entity 1-relationship-entity 2) and (entity-attribute-attribute value). like figure 1 Shown is a schematic diagram of triplet data of a knowledge map example, where China is an entity, Beijing is an entity, and China-capital-Beijing is a triplet sample of (entity 1-relationship-entity 2) For example: Beijing is an entity, population is an attribute, and 20.693 million is an attribute ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/36
CPCG06F16/367
Inventor 刘南吉陈阳
Owner GOLDEN PANDA LTD
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