An entity embedding method, device, medium and equipment

An entity and target technology, applied in the field of knowledge map processing, can solve the problem of low accuracy of entity embedding and achieve the effect of accurate entity embedding results

Active Publication Date: 2020-11-03
GUOXIN YOUE DATA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method ignores the relationship between entities and is prone to the problem of low accuracy of entity embedding

Method used

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  • An entity embedding method, device, medium and equipment
  • An entity embedding method, device, medium and equipment
  • An entity embedding method, device, medium and equipment

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Embodiment Construction

[0053]In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without ...

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Abstract

The invention provides an entity embedding method and device, a medium and equipment, and the method comprises the steps: determining a feature vector of a target entity based on the attribute information of the target entity in a knowledge graph, and enabling the feature vector to serve as a first feature vector; Searching a target encyclopedia page corresponding to the target entity from an encyclopedia database; Determining a relationship transfer probability that the target entity is transferred to each link entity in the target encyclopedia page, wherein the link entities are entities corresponding to links in the target encyclopedia page; Determining a reference entity of the target entity according to the relationship transfer probability and the jump step number corresponding to the target entity; Based on the target entity and the reference entity of the target entity, determining a feature vector of the target entity as a second feature vector; And combining the first featurevector and the second feature vector to obtain a mixed feature vector of the target entity. According to the method, the entity embedding effect is improved, and the subsequent construction and / or application effect of the knowledge graph is ideal enough.

Description

technical field [0001] The present application relates to the technical field of knowledge graph processing, in particular, to an entity embedding method, device, medium and equipment. Background technique [0002] As a new knowledge representation method and data management mode, Knowledge Graph has important applications in natural language processing, question answering, information retrieval and other fields. The knowledge map is designed to describe the entities and their relationships that exist in the real world. Generally, they can be represented by triples. The triples include head entities, tail entities, and relationships. Entities are connected to each other through relationships to form a network. shape knowledge structure. [0003] Entity embedding is a key technology for building knowledge graphs, and its main purpose is to apply low-dimensional vectors to model entities and their relationships. Most of the commonly used entity embedding methods are to direc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/36G06F16/951G06F16/9535
Inventor 夏劲夫郑凯段立新江建军李彩虹
Owner GUOXIN YOUE DATA CO LTD
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