Public security event-oriented multi-source heterogeneous data knowledge graph construction method

A multi-source heterogeneous data and public security technology, applied in the field of multi-source heterogeneous data knowledge graph construction, can solve problems such as large data volumes that are difficult to summarize and analyze, and achieve the effect of improving professionalism, improving accuracy, and accurate knowledge reasoning

Active Publication Date: 2019-12-20
CAS HEFEI INST OF TECH INNOVATION
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Problems solved by technology

[0005] The purpose of the present invention is to solve the defect in the prior art that the amount of data involved in public security incidents is too large to b

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  • Public security event-oriented multi-source heterogeneous data knowledge graph construction method

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Embodiment Construction

[0057] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments and accompanying drawings are used for a detailed description, as follows:

[0058] Such as figure 1 As shown in the present invention, a multi-source heterogeneous data knowledge map construction method for public security incidents, including the following steps:

[0059] The first step is the acquisition of basic data: obtain multi-source heterogeneous data of public security events.

[0060] The second step is to perform entity recognition and relationship extraction on multi-source heterogeneous data of public security events.

[0061] Using the obtained multi-source heterogeneous data of public security events, entities and relationships are extracted from them. For structured data, the relevant rule extractor is obtained by establishing the mapping relationship between the concept in the database and t...

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Abstract

The invention relates to a public security event-oriented multi-source heterogeneous data knowledge graph construction method. Compared with the prior art, the method overcomes the defect that in a public security event, a large amount of data is difficult to conclude and analyze. The method comprises the following steps: acquiring basic data, performing entity identification and relationship extraction on the public security event multi-source heterogeneous data, constructing a public security event backbone entity knowledge graph, and constructing a multi-source heterogeneous data knowledgegraph of the public security event. By processing the multi-source heterogeneous data, data support is provided for the expression of the public security event in all aspects, and the professional performance of constructing the knowledge graph for the public security event is improved by utilizing accurate and a large amount of data.

Description

technical field [0001] The invention relates to the technical field of data semantic analysis, in particular to a method for constructing a knowledge map of multi-source heterogeneous data facing public security incidents. Background technique [0002] Since Google released the knowledge graph in 2012, the knowledge graph has been widely used in various artificial intelligence directions, such as question answering robots and intelligent search engines, due to its powerful event expression capabilities, relationship connection capabilities, fast information search capabilities, and knowledge reasoning capabilities. Wait. The knowledge map is a combination of semantic network and database. It consists of massive triplet data (entity, relationship, entity). There is a direction between entities and relationships. This form can quickly obtain all knowledge related to things. [0003] In the field of public security, since public security event data is obtained from various cha...

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Application Information

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IPC IPC(8): G06F16/36G06F16/35G06F16/28G06F16/80G06F17/27G06K9/62G06N3/04
CPCG06F16/367G06F16/355G06F16/288G06F16/285G06F16/80G06N3/044G06N3/045G06F18/22G06F18/241
Inventor 李文波王海雷吴雪莲卢鹏程常一帆孙晓晴
Owner CAS HEFEI INST OF TECH INNOVATION
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