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Meta-learning models, or models that learn to learn, have been a long-desired target for their ability to quickly solve new tasks. Traditional meta-learning methods can require expensive inner and outer loops, thus there is demand for…

神经与进化计算 · 计算机科学 2021-03-12 Kevin Frans , Olaf Witkowski

The aerodynamic optimization of cars requires close collaboration between aerodynamicists and stylists, while slow, expensive simulations remain a bottleneck. Surrogate models have been shown to accurately predict aerodynamics within the…

机器学习 · 计算机科学 2025-09-23 Sam Jacob Jacob , Markus Mrosek , Carsten Othmer , Harald Köstler

Parameter-efficient tuning (PET) aims to transfer pre-trained foundation models to downstream tasks by learning a small number of parameters. Compared to traditional fine-tuning, which updates the entire model, PET significantly reduces…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Kwonyoung Kim , Jungin Park , Jin Kim , Hyeongjun Kwon , Kwanghoon Sohn

Metalearning of deep neural network (DNN) architectures and hyperparameters has become an increasingly important area of research. At the same time, network regularization has been recognized as a crucial dimension to effective training of…

神经与进化计算 · 计算机科学 2021-07-22 Jason Liang , Santiago Gonzalez , Hormoz Shahrzad , Risto Miikkulainen

Despite their prevalence in deep-learning communities, over-parameterized models convey high demands of computational costs for proper training. This work studies the fine-grained, modular-level learning dynamics of over-parameterized…

Prompt tuning has emerged as a key technique for adapting large pre-trained Decision Transformers (DTs) in offline Reinforcement Learning (RL), particularly in multi-task and few-shot settings. The Prompting Decision Transformer (PDT)…

机器学习 · 计算机科学 2025-10-02 Finn Rietz , Oleg Smirnov , Sara Karimi , Lele Cao

Intelligent selection of training data has proven a successful technique to simultaneously increase training efficiency and translation performance for phrase-based machine translation (PBMT). With the recent increase in popularity of…

计算与语言 · 计算机科学 2017-08-03 Marlies van der Wees , Arianna Bisazza , Christof Monz

Prior-Fitted Networks (PFNs) have recently been proposed to efficiently perform tabular classification tasks. Although they achieve good performance on small datasets, they encounter limitations with larger datasets. These limitations…

机器学习 · 计算机科学 2025-03-04 Yuxin Wang , Botian Jiang , Yiran Guo , Quan Gan , David Wipf , Xuanjing Huang , Xipeng Qiu

A number of image-processing problems can be formulated as optimization problems. The objective function typically contains several terms specifically designed for different purposes. Parameters in front of these terms are used to control…

医学物理 · 物理学 2017-11-02 Chenyang Shen , Yesenia Gonzalez , Liyuan Chen , Steve B. Jiang , Xun Jia

Pre-training models are an important tool in Natural Language Processing (NLP), while the BERT model is a classic pre-training model whose structure has been widely adopted by followers. It was even chosen as the reference model for the…

分布式、并行与集群计算 · 计算机科学 2022-08-18 Jinle Zeng , Min Li , Zhihua Wu , Jiaqi Liu , Yuang Liu , Dianhai Yu , Yanjun Ma

We propose multirate training of neural networks: partitioning neural network parameters into "fast" and "slow" parts which are trained on different time scales, where slow parts are updated less frequently. By choosing appropriate…

机器学习 · 计算机科学 2022-11-02 Tiffany Vlaar , Benedict Leimkuhler

While foundation models have been exploited for various expert tasks through fine-tuning, any foundation model will become outdated due to its old knowledge or limited capability. Thus the underlying foundation model should be eventually…

机器学习 · 计算机科学 2025-02-19 Daiki Chijiwa , Taku Hasegawa , Kyosuke Nishida , Kuniko Saito , Susumu Takeuchi

Varying data augmentation policies and regularization over the course of optimization has led to performance improvements over using fixed values. We show that population based training is a useful tool to continuously search those…

计算与语言 · 计算机科学 2020-10-09 Daniel Haziza , Jérémy Rapin , Gabriel Synnaeve

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…

机器学习 · 计算机科学 2024-06-06 Hoang Phan , Andrew Gordon Wilson , Qi Lei

A key challenge in leveraging data augmentation for neural network training is choosing an effective augmentation policy from a large search space of candidate operations. Properly chosen augmentation policies can lead to significant…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Daniel Ho , Eric Liang , Ion Stoica , Pieter Abbeel , Xi Chen

Designing agents that acquire knowledge autonomously and use it to solve new tasks efficiently is an important challenge in reinforcement learning. Knowledge acquired during an unsupervised pre-training phase is often transferred by…

This work presents a novel training technique for deep neural networks that makes use of additional data from a distribution that is different from that of the original input data. This technique aims to reduce overfitting and improve the…

计算机视觉与模式识别 · 计算机科学 2020-06-09 Pravendra Singh , Pratik Mazumder , Vinay P. Namboodiri

In recent years, deep reinforcement learning (RL) has shown its effectiveness in solving complex continuous control tasks. However, this comes at the cost of an enormous amount of experience required for training, exacerbated by the…

Recent studies have proven that the training of neural machine translation (NMT) can be facilitated by mimicking the learning process of humans. Nevertheless, achievements of such kind of curriculum learning rely on the quality of…

计算与语言 · 计算机科学 2022-10-20 Yu Wan , Baosong Yang , Derek F. Wong , Yikai Zhou , Lidia S. Chao , Haibo Zhang , Boxing Chen

Gradient Boosted Decision Trees (GBDT) is a very successful ensemble learning algorithm widely used across a variety of applications. Recently, several variants of GBDT training algorithms and implementations have been designed and heavily…

机器学习 · 计算机科学 2019-06-27 Yu Shi , Jian Li , Zhize Li