Variational Continuous Bayesian Meta-learning Based Algorithm for Recommendation

Meta-learning methods have been introduced into recommendation algorithms in recent years to alleviate the problem of cold start.The existing meta-learning algorithms can only improve the ability of the algorithm to deal with a set of statically distributed data sets（tasks）.When faced with multiple...

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Published in:Ji suan ji ke xue Vol. 50; no. 7; pp. 66 - 71
Main Authors: Zhu, Wentao, Liu, Wei, Liang, Shangsong, Zhu, Huaijie, Yin, Jian
Format: Journal Article
Language:Chinese
Published: Chongqing Guojia Kexue Jishu Bu 01.07.2023
Editorial office of Computer Science
Subjects:
Algorithms
Bayesian analysis
Datasets
Knowledge management
Machine learning
Mathematical models
Parameter robustness
recommendation algorithm|cold-start problem|meta-learning|dynamic gaussian mixture model
Recommender systems
ISSN:1002-137X
Online Access:Get full text
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Abstract Meta-learning methods have been introduced into recommendation algorithms in recent years to alleviate the problem of cold start.The existing meta-learning algorithms can only improve the ability of the algorithm to deal with a set of statically distributed data sets（tasks）.When faced with multiple data sets subject to non-stationary distribution, the existing models often have negative knowledge transfer and catastrophic forgetting problems, resulting in a significant decline in algorithm recommendation performance.This paper explores a recommendation algorithm based on variational continuous Bayesian Meta-learning（VC-BML）.Firstly, the algorithm assumes that the meta parameters follow the dynamic mixed Gaussian model, which makes it have a larger parameter space, improves the ability of the model to adapt to different tasks, and alleviates the problem of negative knowledge transfer.Then, the number of task clusters in VC-BML is flexibly determined by Chinese restaurant process（CRP）,which enables the model to
AbstractList Meta-learning methods have been introduced into recommendation algorithms in recent years to alleviate the problem of cold start.The existing meta-learning algorithms can only improve the ability of the algorithm to deal with a set of statically distributed data sets(tasks).When faced with multiple data sets subject to non-stationary distribution,the existing models often have negative knowledge transfer and catastrophic forgetting problems,resulting in a significant decline in algorithm recommendation performance.This paper explores a recommendation algorithm based on variational continuous Bayesian Meta-learning(VC-BML).Firstly,the algorithm assumes that the meta parameters follow the dynamic mixed Gaussian model,which makes it have a larger parameter space,improves the ability of the model to adapt to different tasks,and alleviates the problem of negative knowledge transfer.Then,the number of task clusters in VC-BML is flexibly determined by Chinese restaurant process(CRP),which enables the model to store
Meta-learning methods have been introduced into recommendation algorithms in recent years to alleviate the problem of cold start.The existing meta-learning algorithms can only improve the ability of the algorithm to deal with a set of statically distributed data sets（tasks）.When faced with multiple data sets subject to non-stationary distribution, the existing models often have negative knowledge transfer and catastrophic forgetting problems, resulting in a significant decline in algorithm recommendation performance.This paper explores a recommendation algorithm based on variational continuous Bayesian Meta-learning（VC-BML）.Firstly, the algorithm assumes that the meta parameters follow the dynamic mixed Gaussian model, which makes it have a larger parameter space, improves the ability of the model to adapt to different tasks, and alleviates the problem of negative knowledge transfer.Then, the number of task clusters in VC-BML is flexibly determined by Chinese restaurant process（CRP）,which enables the model to
Author Zhu, Huaijie
Yin, Jian
Zhu, Wentao
Liu, Wei
Liang, Shangsong
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Snippet Meta-learning methods have been introduced into recommendation algorithms in recent years to alleviate the problem of cold start.The existing meta-learning...
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SubjectTerms Algorithms
Bayesian analysis
Datasets
Knowledge management
Machine learning
Mathematical models
Parameter robustness
recommendation algorithm|cold-start problem|meta-learning|dynamic gaussian mixture model
Recommender systems
Title Variational Continuous Bayesian Meta-learning Based Algorithm for Recommendation
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