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As machine learning has moved towards leveraging large models as priors for downstream tasks, the community has debated the right form of prior for solving reinforcement learning (RL) problems. If one were to try to prefetch as much…

机器学习 · 计算机科学 2026-02-13 Chongyi Zheng , Royina Karegoudra Jayanth , Benjamin Eysenbach

Quantum computing has shown the potential to substantially speed up machine learning applications, in particular for supervised and unsupervised learning. Reinforcement learning, on the other hand, has become essential for solving many…

量子物理 · 物理学 2023-11-28 El Amine Cherrat , Iordanis Kerenidis , Anupam Prakash

In this paper, a comparison of reinforcement learning algorithms and their performance on a robot box pushing task is provided. The robot box pushing problem is structured as both a single-agent problem and also a multi-agent problem. A…

机器人学 · 计算机科学 2018-09-25 Mehdi Rahimi , Spencer Gibb , Yantao Shen , Hung Manh La

Finding the best configuration of algorithms' hyperparameters for a given optimization problem is an important task in evolutionary computation. We compare in this work the results of four different hyperparameter tuning approaches for a…

神经与进化计算 · 计算机科学 2022-03-18 Furong Ye , Carola Doerr , Hao Wang , Thomas Bäck

Prompt tuning is an emerging way of adapting pre-trained language models to downstream tasks. However, the existing studies are mainly to add prompts to the input sequence. This way would not work as expected due to the intermediate…

计算与语言 · 计算机科学 2022-07-01 Jingping Liu , Yuqiu Song , Kui Xue , Hongli Sun , Chao Wang , Lihan Chen , Haiyun Jiang , Jiaqing Liang , Tong Ruan

Federated Learning (FL) is an emerging paradigm that enables distributed users to collaboratively and iteratively train machine learning models without sharing their private data. Motivated by the effectiveness and robustness of…

机器学习 · 计算机科学 2022-11-16 Jinyu Chen , Wenchao Xu , Song Guo , Junxiao Wang , Jie Zhang , Haozhao Wang

Machine learning algorithms such as random forests or xgboost are gaining more importance and are increasingly incorporated into production processes in order to enable comprehensive digitization and, if possible, automation of processes.…

机器学习 · 计算机科学 2021-07-20 Eva Bartz , Martin Zaefferer , Olaf Mersmann , Thomas Bartz-Beielstein

Pre-training (PT) followed by fine-tuning (FT) is an effective method for training neural networks, and has led to significant performance improvements in many domains. PT can incorporate various design choices such as task and data…

机器学习 · 计算机科学 2021-11-03 Aniruddh Raghu , Jonathan Lorraine , Simon Kornblith , Matthew McDermott , David Duvenaud

Robust fine-tuning aims to achieve competitive in-distribution (ID) performance while maintaining the out-of-distribution (OOD) robustness of a pre-trained model when transferring it to a downstream task. Recently, projected gradient…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Junjiao Tian , Yen-Cheng Liu , James Seale Smith , Zsolt Kira

Multitask learning and transfer learning have proven to be useful in the field of machine learning when additional knowledge is available to help a prediction task. We aim at deriving methods following these paradigms for use in autotuning,…

机器学习 · 计算机科学 2019-08-19 Wissam M. Sid-Lakhdar , Mohsen Mahmoudi Aznaveh , Xiaoye S. Li , James W. Demmel

First-order methods for quadratic optimization such as OSQP are widely used for large-scale machine learning and embedded optimal control, where many related problems must be rapidly solved. These methods face two persistent challenges:…

We propose a reinforcement-learning algorithm to tackle the challenge of reconstructing phylogenetic trees. The search for the tree that best describes the data is algorithmically challenging, thus all current algorithms for phylogeny…

种群与进化 · 定量生物学 2023-03-14 Dana Azouri , Oz Granit , Michael Alburquerque , Yishay Mansour , Tal Pupko , Itay Mayrose

How to select between policies and value functions produced by different training algorithms in offline reinforcement learning (RL) -- which is crucial for hyperpa-rameter tuning -- is an important open question. Existing approaches based…

机器学习 · 计算机科学 2021-11-04 Siyuan Zhang , Nan Jiang

One of the major challenges in Deep Reinforcement Learning for control is the need for extensive training to learn the policy. Motivated by this, we present the design of the Control-Tutored Deep Q-Networks (CT-DQN) algorithm, a Deep…

机器学习 · 计算机科学 2022-12-05 Francesco De Lellis , Marco Coraggio , Giovanni Russo , Mirco Musolesi , Mario di Bernardo

The performance of reinforcement learning (RL) algorithms is sensitive to the choice of hyperparameters, with the learning rate being particularly influential. RL algorithms fail to reach convergence or demand an extensive number of samples…

机器学习 · 计算机科学 2024-08-09 Aida Afshar , Aldo Pacchiano

Efficient finetuning of pretrained language transformers is becoming increasingly prevalent for solving natural language processing tasks. While effective, it can still require a large number of tunable parameters. This can be a drawback…

计算与语言 · 计算机科学 2023-05-31 Umang Gupta , Aram Galstyan , Greg Ver Steeg

We methodologically address the problem of Q-value overestimation in deep reinforcement learning to handle high-dimensional state spaces efficiently. By adapting concepts from information theory, we introduce an intrinsic penalty signal…

人工智能 · 计算机科学 2018-11-21 Felix Leibfried , Jordi Grau-Moya , Haitham Bou-Ammar

Many continuous control tasks have easily formulated objectives, yet using them directly as a reward in reinforcement learning (RL) leads to suboptimal policies. Therefore, many classical control tasks guide RL training using complex…

机器学习 · 计算机科学 2019-05-21 Aleksandra Faust , Anthony Francis , Dar Mehta

Imitation learning from human demonstrations enables robots to perform complex manipulation tasks and has recently witnessed huge success. However, these techniques often struggle to adapt behavior to new preferences or changes in the…

机器人学 · 计算机科学 2025-01-15 Yuxin Chen , Devesh K. Jha , Masayoshi Tomizuka , Diego Romeres

This paper focuses on hyperparameter optimization for autonomous driving strategies based on Reinforcement Learning. We provide a detailed description of training the RL agent in a simulation environment. Subsequently, we employ Efficient…

机器学习 · 计算机科学 2024-07-22 Nihal Acharya Adde , Hanno Gottschalk , Andreas Ebert