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Multi-modal event knowledge graph construction method

A knowledge map and construction method technology, applied in the field of multi-modal event knowledge map construction, to improve the quality of acquisition, reduce unnecessary work, and reduce complexity and bloat

Active Publication Date: 2022-02-18
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, with the rapid improvement of data, model algorithms, and computing power, computational intelligence and perceptual intelligence have achieved rapid development. In some specific fields, machine perception even surpasses human beings, but there are still many challenges in machine cognitive intelligence.

Method used

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  • Multi-modal event knowledge graph construction method

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Embodiment Construction

[0052] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the implementation methods and accompanying drawings.

[0053] Such as figure 1 As shown, a multi-modal event knowledge map construction method includes the following steps:

[0054] Data collection, using framework crawler technology to collect multi-modal data related to domain events from the Internet, and judge data quality based on TF-IDF document similarity, and decide whether to continue deep link document data crawling;

[0055] To build a multimodal event ontology, first determine the domain scope of the multimodal event knowledge graph, check whether there is a time ontology that can be used, and then use the event knowledge base to semi-manually construct the domain event ontology by domain experts as a multimodal Event Knowledge Graph Ontology Library.

[0056] Multimodal event...

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Abstract

The invention discloses a multi-modal event knowledge graph construction method, and belongs to the technical field of knowledge engineering. The method comprises the following steps: acquiring data; constructing a domain event ontology library; extracting a multi-modal event trigger word; extracting event elements; extracting a multi-modal event relationship; based on event co-reference disambiguation of the event ontology library, merging the same sub-events to form multi-modal event sub-graphs; and merging the sub-graph to obtain the domain multi-modal event knowledge map. acquisition quality and acquisition efficiency of the data can be improved, the labor cost is reduced, the complexity of constructing the knowledge graph is reduced, and the quality of constructing the knowledge graph is improved.

Description

technical field [0001] The present invention relates to the technical field of artificial intelligence and knowledge engineering, in particular to a method for constructing a multimodal event knowledge graph. Background technique [0002] As mankind gradually enters the era of intelligence, various intelligent systems and application requirements have emerged in large numbers. Intelligent application systems put forward new requirements for machine cognitive intelligence. Cognitive intelligence is a higher-level intelligence based on computational intelligence and perceptual intelligence. It requires machines to understand natural language and data, think and learn, and make decisions through knowledge reasoning, just like humans. In recent years, with the rapid improvement of data, model algorithms, and computing power, computational intelligence and perceptual intelligence have achieved rapid development. In some specific fields, machine perception even surpasses human be...

Claims

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Application Information

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IPC IPC(8): G06F16/36G06F40/284G06F40/30G06N3/04G06N3/08
CPCG06F16/367G06F40/30G06F40/284G06N3/08G06N3/045
Inventor 任海洋卜毅明杜楚张岐坦高学攀张玲白洁刘伟强陈路路陈金勇
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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