arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2110.09040stat.MEcs.LGstat.ML
收藏

基于网络套索的贝叶斯多任务学习方法

A Bayesian approach to multi-task learning with network lasso

NTT Advanced Technology Corporation(NTT先进技术公司);The University of Electro-Communications(电气通信大学)

Kaito Shimamura, Shuichi Kawano

摘要:

网络套索是一种通过正则化极大似然方法解决多任务学习问题的方法。网络套索的一个特点是为每个样本设置不同的模型。模型之间的关系用关联系数表示。网络套索中的一个关键问题是为这些关系系数提供合适的值。在本文中,我们提出了一个贝叶斯方法来解决多任务学习问题的网络套索。这种方法使我们能够客观地确定贝叶斯估计的相关系数。仿真研究和实际数据分析表明了该方法的有效性。

英文摘要:

Network lasso is a method for solving a multi-task learning problem through the regularized maximum likelihood method. A characteristic of network lasso is setting a different model for each sample. The relationships among the models are represented by relational coefficients. A crucial issue in network lasso is to provide appropriate values for these relational coefficients. In this paper, we propose a Bayesian approach to solve multi-task learning problems by network lasso. This approach allows us to objectively determine the relational coefficients by Bayesian estimation. The effectiveness of the proposed method is shown in a simulation study and a real data analysis.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑