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Method and device for updating knowledge graph

A technology of knowledge graph and update time, applied in the field of updating knowledge graph, can solve the problems of low efficiency and poor timeliness of updating knowledge graph, and achieve the effect of enhancing timeliness and improving efficiency

Pending Publication Date: 2019-07-16
ALIBABA GRP HLDG LTD
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  • Description
  • Claims
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Problems solved by technology

[0005] In view of this, the present invention provides a method and device for updating knowledge maps, which can solve the problems of low efficiency and poor timeliness in updating knowledge maps in the prior art

Method used

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  • Method and device for updating knowledge graph
  • Method and device for updating knowledge graph

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Embodiment Construction

[0032] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0033] The embodiment of the present invention provides a method for updating the knowledge map, such as figure 2 As shown, the method mainly includes:

[0034] 101. Set a change period for the attribute of the entity in the data layer of the knowledge map.

[0035] Specifically, the knowledge graph is mainly divided into a schema layer and a data layer, and the data layer is a specific instance of the schema layer. In practical...

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Abstract

The invention discloses a method and a device for updating a knowledge graph, relates to the technical field of computers, and can solve the problems of low knowledge graph updating efficiency and poor timeliness in the prior art. The method mainly comprises the steps of setting a change period for attributes of entities in a data layer of a knowledge graph; determining the next update time of theattribute value corresponding to the attribute based on the current time and the change period of the attribute; and updating the corresponding attribute value in the data layer according to the nextupdating time of the attribute value. The method is mainly suitable for the scene of updating the knowledge graph data layer.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method and device for updating a knowledge map. Background technique [0002] With the development of science and technology, artificial intelligence has gradually become the development direction of the computer field, that is, the goal of human beings is to produce a new intelligent machine that can respond in a similar way to human intelligence. In order to achieve universal intelligence, a machine needs to have a "brain" to store a variety of knowledge, which is called a knowledge graph in the computer field. [0003] The knowledge graph mainly includes a schema layer and a data layer. Among them, the schema layer is a high abstraction of the entire knowledge graph, which is used to describe some concepts (or called entities), the attributes of concepts, and the relationship between concepts; the data layer is the specific instance of each concept in the schema layer. F...

Claims

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Application Information

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IPC IPC(8): G06F16/36G06F16/23G06F16/22
CPCG06F16/2228G06F16/235G06F16/367
Inventor 胡于响
Owner ALIBABA GRP HLDG LTD
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