Controllable Prompt Tuning For Balancing Group Distributional Robustness

Fuente: arXiv
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Autores principales: Phan, Hoang, Wilson, Andrew Gordon, Lei, Qi
Formato: Preprint
Publicado: 2024
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author Phan, Hoang
Wilson, Andrew Gordon
Lei, Qi
author_facet Phan, Hoang
Wilson, Andrew Gordon
Lei, Qi
contents Models trained on data composed of different groups or domains can suffer from severe performance degradation under distribution shifts. While recent methods have largely focused on optimizing the worst-group objective, this often comes at the expense of good performance on other groups. To address this problem, we introduce an optimization scheme to achieve good performance across groups and find a good solution for all without severely sacrificing performance on any of them. However, directly applying such optimization involves updating the parameters of the entire network, making it both computationally expensive and challenging. Thus, we introduce Controllable Prompt Tuning (CPT), which couples our approach with prompt-tuning techniques. On spurious correlation benchmarks, our procedures achieve state-of-the-art results across both transformer and non-transformer architectures, as well as unimodal and multimodal data, while requiring only 0.4% tunable parameters.
format Preprint
id arxiv_https___arxiv_org_abs_2403_02695
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publishDate 2024
record_format arxiv
spellingShingle Controllable Prompt Tuning For Balancing Group Distributional Robustness
Phan, Hoang
Wilson, Andrew Gordon
Lei, Qi
Machine Learning
Models trained on data composed of different groups or domains can suffer from severe performance degradation under distribution shifts. While recent methods have largely focused on optimizing the worst-group objective, this often comes at the expense of good performance on other groups. To address this problem, we introduce an optimization scheme to achieve good performance across groups and find a good solution for all without severely sacrificing performance on any of them. However, directly applying such optimization involves updating the parameters of the entire network, making it both computationally expensive and challenging. Thus, we introduce Controllable Prompt Tuning (CPT), which couples our approach with prompt-tuning techniques. On spurious correlation benchmarks, our procedures achieve state-of-the-art results across both transformer and non-transformer architectures, as well as unimodal and multimodal data, while requiring only 0.4% tunable parameters.
title Controllable Prompt Tuning For Balancing Group Distributional Robustness
topic Machine Learning
url https://arxiv.org/abs/2403.02695