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Resource association method based on crowd intelligence aggregation convergence

A technology of resources and crowd intelligence, applied in the field of educational technology, can solve the problems of limited accuracy, huge manpower and time costs, and lack of organizational relationship of resources, so as to reduce the proportion and improve the overall quality.

Active Publication Date: 2018-01-19
HUAZHONG NORMAL UNIV
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AI Technical Summary

Problems solved by technology

[0002] In the era of digital learning (e-learning), the learning trajectory of learners no longer presents a linear learning method as in the past. At the same time, the number of educational resources continues to increase, but there is a lack of good organizational relationships among resources. a lot of inconvenience
[0003] At present, automatic machine processing algorithms are used to help learners calculate resource associations. However, for heterogeneous synonyms with the same semantics and inconsistent writing, such as implicit knowledge associations of learning resources, the accuracy of traditional machine processing methods is often limited. , it is impossible to dig deep into the relationship between knowledge resources; relying on the manual annotation of a few experts has huge manpower and time costs, and a more effective way is needed to solve this problem

Method used

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  • Resource association method based on crowd intelligence aggregation convergence
  • Resource association method based on crowd intelligence aggregation convergence
  • Resource association method based on crowd intelligence aggregation convergence

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0044] This patent studies the common methods of semantic association between learning resources, proposes a knowledge association model based on crowd intelligence, and designs a learning resource association system. This invention makes full use of human subjective initiative and can effectively identify fraudulent types. Participants, converge the results submitted by everyone to calculate th...

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Abstract

The invention discloses a resource association method based on crowd intelligence aggregation convergence. Firstly, public participation-oriented learning resource labeling tasks are formulated, and participants are mobilized to mark relevance degrees of knowledge, then deception-type participants are screened out through evaluating task completion situations of the participants, and are marked asunqualified users; remaining higher-quality label results are collected after the unqualified users are filtered out, mark classifications made by participants are utilized and an EM algorithm is used to continuously iterate to calculate each participant error rate pi and each relevance T, iteration is continually carried out through the EM algorithm until convergence is reached, and thus the relevance degrees between knowledge points are estimated; and a label result set of the participants is obtained by collection, association degrees between resources are calculated, and finally, association data are stored to a server. Relevance between the knowledge resources is obtained, the deception-type participants can be effectively found and replaced in time, crowd intelligence label qualityis improved, and technical support is provided for deeply mining association between the learning resources.

Description

technical field [0001] The invention belongs to the field of educational technology, and relates to a method for association evaluation of learning resources, in particular to a method for association of learning resources based on convergence of crowd intelligence. Background technique [0002] In the era of digital learning (e-learning), the learning trajectory of learners no longer presents a linear learning method as in the past. At the same time, the number of educational resources continues to increase, but there is a lack of good organizational relationships among resources. A lot of inconvenience. [0003] At present, automatic machine processing algorithms are used to help learners calculate resource associations. However, for heterogeneous synonyms with the same semantics and inconsistent writing, such as implicit knowledge associations of learning resources, the accuracy of traditional machine processing methods is often limited. , it is impossible to dig deep in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 杜旭杨宗凯李浩徐帅
Owner HUAZHONG NORMAL UNIV
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