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Knowledge graph construction method, device and equipment based on graph database GDB

A technology of knowledge graph and construction method, applied in other database retrieval, other database index, other database query, etc., can solve problems such as inaccurate knowledge data connection, high operation and maintenance cost, long time-consuming knowledge query, etc., and achieve high query efficiency , low operation and maintenance costs

Pending Publication Date: 2022-03-25
上海鱼尔网络科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But in fact, due to the different businesses involved in different industries, there are great differences in knowledge data. As a result, the connection between the knowledge data expressed by the knowledge map constructed in this way is not accurate enough, and it will also affect the knowledge based on the knowledge map. Accuracy of Path Analysis
[0005] The traditional Neo4j-based knowledge map construction method uses a relational database, which has better performance on relational data and supports visualization; however, its knowledge query takes a long time, does not support distributed, and has high operation and maintenance costs. High deployment cost

Method used

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  • Knowledge graph construction method, device and equipment based on graph database GDB
  • Knowledge graph construction method, device and equipment based on graph database GDB
  • Knowledge graph construction method, device and equipment based on graph database GDB

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Embodiment 1

[0040] The graph database GDB supports attribute graphs, is highly compatible with the Gremlin graph query language, realizes a highly optimized graph engine computing layer and storage layer, and ensures ultra-high reliability of data through multiple copies of cloud disks. GDB supports ACID transactions, and provides READCOMMITTED transaction isolation level by default. The graph database GDB supports a high-availability version. When a failure occurs, the system will quickly transfer the failure based on various abnormal conditions of the main and standby failures to ensure business continuity and provide a wealth of database operation and maintenance management capabilities, including backup recovery, automatic upgrade, monitoring and alarm, failover, etc. , greatly reducing operation and maintenance costs.

[0041] The present invention adopts the knowledge map storage method based on the graph database GDB, and uses the attribute graph as the basic representation form, ...

Embodiment 2

[0080] This embodiment provides a knowledge map construction device based on the graph database GDB, please refer to Figure 4 , the device consists of:

[0081] Data acquisition module 1, used to acquire target industry data and clean the data;

[0082] Scheme design module 2 is used to design knowledge Scheme according to the current business scenario requirements;

[0083] The knowledge extraction module 3 is used to perform incremental training on the current business-related words using the LAC tool according to the knowledge scheme to obtain the entity recognition model, and filter out the ontology, attributes and relationships required to build the knowledge map through the Cypher statement, and realize Knowledge extraction and storage;

[0084] Graph building module 4, used for knowledge-based extraction and storage, connected to the graph database GDB, and building the knowledge graph of the target industry.

[0085] Among them, the knowledge extraction module 3 in...

Embodiment 3

[0088] This embodiment provides a knowledge map construction device based on a graph database GDB. Please see Figure 5 , the knowledge map construction device 500 based on the graph database GDB may have relatively large differences due to different configurations or performances, and may include one or more processors (central processing units, CPU) 510 (for example, one or more processors ) and memory 520, one or more storage media 530 (such as one or more mass storage devices) for storing application programs 533 or data 532. Wherein, the memory 520 and the storage medium 530 may be temporary storage or persistent storage. The program stored in the storage medium 530 may include one or more modules (not shown in the figure), and each module may include a series of instruction operations for the knowledge graph construction device 500 based on the graph database GDB.

[0089] Further, the processor 510 may be configured to communicate with the storage medium 530, and exec...

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Abstract

The invention discloses a knowledge graph construction method, device and equipment based on a graph database GDB, and aims to solve the problems that a traditional knowledge graph construction method based on Neo4j is long in knowledge query time consumption, does not support distribution, is high in operation and maintenance cost and is relatively high in deployment cost on enterprise-level services. According to the knowledge Scheme, performing incremental training on words related to a current service by using an LAC tool to obtain an entity recognition model, and screening out ontology, attributes and relationships required for constructing a knowledge graph through a Cypher statement to realize knowledge extraction and storage; and on the basis of knowledge extraction and storage, a graph database GDB is connected, and a knowledge graph of the target industry is constructed. The method supports distributed deployment, is low in operation and maintenance cost, supports visualization, and is higher in query efficiency.

Description

technical field [0001] The invention belongs to the technical field of knowledge graphs, and in particular relates to a method, device and equipment for constructing a knowledge graph based on a graph database GDB. Background technique [0002] The knowledge map is to combine the theories and methods of applied mathematics, graphics, information visualization technology, information science and other disciplines with metrology citation analysis, co-occurrence analysis and other methods, and use the visualized map to vividly display the core structure of the subject , development history, frontier fields and the overall knowledge structure to achieve the modern theory of multidisciplinary integration. [0003] The industry knowledge graph is a domain-specific knowledge graph. The resource industry has rich resource data and a lot of knowledge. The ontology schema design of the knowledge graph is the basis for subsequent knowledge reasoning and mining. At present, for the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/36G06F16/901G06F16/903G06F40/253G06F40/295
CPCG06F16/367G06F16/9024G06F16/90335G06F40/295G06F40/253
Inventor 陈子骁
Owner 上海鱼尔网络科技有限公司
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