Device and method for machine learning

Pending Publication Date: 2021-05-13
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]In accordance with an example embodiment of the present invention, a computer-implemented method for grouping target entities into clusters provides that a base association in which a cluster is associated with each of the target entities is determined in a computation step for the target entities as a function of an association for entities, inference rules being determined as a function of the association for entities and as a function of the base association, each of the inference rules defining an association of entities with one of the clusters, an altered association being determined as a function of the association for entities and the inference rules, a check being made as to whether a difference between the base association and the altered association falls below a threshold value, and when the difference falls below the threshold value an association of the target entities with the clusters being output or stored, and otherwise a feedback value being determined as a function of the difference, and an association being determined, as a function of the association for entities and the feedback value, which replaces the association for a new execution of the computation step. The associations may be represented by knowledge graphs. In this way, for a given knowledge graph and a set of predefined target entities, a set of entities of the knowledge graph are better grouped into clusters. This represents an iterative process in which the target entities are grouped i

Problems solved by technology

It is difficult to find valid descriptions for predefined diffuse clusters.
Since the clusters are determined based on statistical tes

Method used

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  • Device and method for machine learning

Examples

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Embodiment Construction

[0020]A knowledge graph represents collections of factual information that are linked to one another. This information is defined, for example, as facts, in the example as a set of triplets that indicate a subject, a predicate, and an object. In the example, it is assumed that this is an open knowledge graph that maps only a portion of the real world as information. Information about the world that is absent in the knowledge graph is regarded as unknown, not as incorrect. An example of a triplet for the subject “John,” the predicate “works_at,” and the object “Bosch” is . Triplets are depicted below in the representation predicate (subject, object). For the triplet example, this results in the representation works_at (John, Bosch).

[0021]An embedding, i.e., a knowledge graph embedding, may be provided for a knowledge graph. In the example, the embedding includes a model that maps the various elements of the knowledge graph, including the entities and the predicates, into a multidimensio

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Abstract

A computer-implemented method for grouping target entities into clusters. A base association in which a cluster is associated with each of the target entities is determined in a computation step for the target entities as a function of an association for entities. Inference rules are determined as a function of the association for entities and as a function of the base association, each of the inference rules defining an association of entities with one of the clusters. An altered association is determined as a function of the association for entities and the inference rules. A check is made as to whether a difference between the base association and the altered association falls below a threshold value. When it does, an association of the target entities with the clusters is output or stored. Otherwise, a feedback value is determined as a function of the difference.

Description

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Claims

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Application Information

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Owner ROBERT BOSCH GMBH
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