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This paper considers learning robot locomotion and manipulation tasks from expert demonstrations. Generative adversarial imitation learning (GAIL) trains a discriminator that distinguishes expert from agent transitions, and in turn use a…

机器学习 · 计算机科学 2022-06-24 Tianyu Wang , Nikhil Karnwal , Nikolay Atanasov

Explicit engineering of reward functions for given environments has been a major hindrance to reinforcement learning methods. While Inverse Reinforcement Learning (IRL) is a solution to recover reward functions from demonstrations only,…

机器学习 · 计算机科学 2020-02-24 David Venuto , Jhelum Chakravorty , Leonard Boussioux , Junhao Wang , Gavin McCracken , Doina Precup

Imitation learning aims to learn a policy from observing expert demonstrations without access to reward signals from environments. Generative adversarial imitation learning (GAIL) formulates imitation learning as adversarial learning,…

机器学习 · 计算机科学 2024-11-27 Chun-Mao Lai , Hsiang-Chun Wang , Ping-Chun Hsieh , Yu-Chiang Frank Wang , Min-Hung Chen , Shao-Hua Sun

Event Extraction (EE) involves automatically identifying and extracting structured information about events from unstructured text, including triggers, event types, and arguments. Traditional discriminative models demonstrate high precision…

计算与语言 · 计算机科学 2025-08-28 Fatemeh Haji , Mazal Bethany , Cho-Yu Jason Chiang , Anthony Rios , Peyman Najafirad

We present an adversarial active exploration for inverse dynamics model learning, a simple yet effective learning scheme that incentivizes exploration in an environment without any human intervention. Our framework consists of a deep…

机器学习 · 计算机科学 2020-03-18 Zhang-Wei Hong , Tsu-Jui Fu , Tzu-Yun Shann , Yi-Hsiang Chang , Chun-Yi Lee

Knowledge representation learning aims at modeling knowledge graph by encoding entities and relations into a low dimensional space. Most of the traditional works for knowledge embedding need negative sampling to minimize a margin-based…

人工智能 · 计算机科学 2018-10-01 Peifeng Wang , Shuangyin Li , Rong pan

Imitation learning algorithms learn viable policies by imitating an expert's behavior when reward signals are not available. Generative Adversarial Imitation Learning (GAIL) is a state-of-the-art algorithm for learning policies when the…

A significant challenge for the practical application of reinforcement learning in the real world is the need to specify an oracle reward function that correctly defines a task. Inverse reinforcement learning (IRL) seeks to avoid this…

机器学习 · 计算机科学 2019-10-16 Kelvin Xu , Ellis Ratner , Anca Dragan , Sergey Levine , Chelsea Finn

Imitation learning is well-suited for robotic tasks where it is difficult to directly program the behavior or specify a cost for optimal control. In this work, we propose a method for learning the reward function (and the corresponding…

机器学习 · 计算机科学 2021-01-01 Tianwei Ni , Harshit Sikchi , Yufei Wang , Tejus Gupta , Lisa Lee , Benjamin Eysenbach

Recent advances in Generative Adversarial Networks (GANs) have resulted in its widespread applications to multiple domains. A recent model, IRGAN, applies this framework to Information Retrieval (IR) and has gained significant attention…

机器学习 · 计算机科学 2020-10-05 Ameet Deshpande , Mitesh M. Khapra

Imitation learning (IL) is a framework that learns to imitate expert behavior from demonstrations. Recently, IL shows promising results on high dimensional and control tasks. However, IL typically suffers from sample inefficiency in terms…

机器学习 · 计算机科学 2021-11-24 Lihua Zhang

Generative Adversarial Imitation Learning (GAIL) is a powerful and practical approach for learning sequential decision-making policies. Different from Reinforcement Learning (RL), GAIL takes advantage of demonstration data by experts (e.g.,…

机器学习 · 计算机科学 2020-01-14 Minshuo Chen , Yizhou Wang , Tianyi Liu , Zhuoran Yang , Xingguo Li , Zhaoran Wang , Tuo Zhao

Auto-encoding generative adversarial networks (GANs) combine the standard GAN algorithm, which discriminates between real and model-generated data, with a reconstruction loss given by an auto-encoder. Such models aim to prevent mode…

机器学习 · 统计学 2017-10-24 Mihaela Rosca , Balaji Lakshminarayanan , David Warde-Farley , Shakir Mohamed

Botnet detectors based on machine learning are potential targets for adversarial evasion attacks. Several research works employ adversarial training with samples generated from generative adversarial nets (GANs) to make the botnet detectors…

密码学与安全 · 计算机科学 2022-10-07 Rizwan Hamid Randhawa , Nauman Aslam , Mohammad Alauthman , Muhammad Khalid , Husnain Rafiq

Subtracting event samples is a common task in LHC simulation and analysis, and standard solutions tend to be inefficient. We employ generative adversarial networks to produce new event samples with a phase space distribution corresponding…

高能物理 - 唯象学 · 物理学 2020-12-02 Anja Butter , Tilman Plehn , Ramon Winterhalder

In adversarial environments, one side could gain an advantage by identifying the opponent's strategy. For example, in combat games, if an opponents strategy is identified as overly aggressive, one could lay a trap that exploits the…

机器学习 · 计算机科学 2021-08-03 Mark Rucker , Stephen Adams , Roy Hayes , Peter A. Beling

Meta Reinforcement Learning (MRL) enables an agent to learn from a limited number of past trajectories and extrapolate to a new task. In this paper, we attempt to improve the robustness of MRL. We build upon model-agnostic meta-learning…

机器学习 · 计算机科学 2021-04-28 Shiqi Chen , Zhengyu Chen , Donglin Wang

Reinforcement learning (RL) has achieved tremendous success as a general framework for learning how to make decisions. However, this success relies on the interactive hand-tuning of a reward function by RL experts. On the other hand,…

机器学习 · 计算机科学 2020-11-24 Letian Chen , Rohan Paleja , Muyleng Ghuy , Matthew Gombolay

We propose a new approach to inverse reinforcement learning (IRL) based on the deep Gaussian process (deep GP) model, which is capable of learning complicated reward structures with few demonstrations. Our model stacks multiple latent GP…

机器学习 · 计算机科学 2017-05-08 Ming Jin , Andreas Damianou , Pieter Abbeel , Costas Spanos

Deep reinforcement learning (DRL) has achieved great successes in many simulated tasks. The sample inefficiency problem makes applying traditional DRL methods to real-world robots a great challenge. Generative Adversarial Imitation Learning…

机器学习 · 计算机科学 2021-04-15 Jie Huang , Rongshun Juan , Randy Gomez , Keisuke Nakamura , Qixin Sha , Bo He , Guangliang Li