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Related papers: Prompting Decision Transformer for Few-Shot Policy…

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This paper introduces Elastic Decision Transformer (EDT), a significant advancement over the existing Decision Transformer (DT) and its variants. Although DT purports to generate an optimal trajectory, empirical evidence suggests it…

Machine Learning · Computer Science 2023-10-23 Yueh-Hua Wu , Xiaolong Wang , Masashi Hamaya

Vision Transformer (ViT) models have recently emerged as powerful and versatile models for various visual tasks. Recently, a work called PMF has achieved promising results in few-shot image classification by utilizing pre-trained vision…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Junjie Zhu , Yiying Li , Chunping Qiu , Ke Yang , Naiyang Guan , Xiaodong Yi

The cold-start user issue further compromises the effectiveness of recommender systems in limiting access to the historical behavioral information. It is an effective pipeline to optimize instructional prompts on a few-shot large language…

Artificial Intelligence · Computer Science 2025-09-12 Haowei Yang , Yushang Zhao , Sitao Min , Bo Su , Chao Yao , Wei Xu

Event detection (ED) is aimed to identify the key trigger words in unstructured text and predict the event types accordingly. Traditional ED models are too data-hungry to accommodate real applications with scarce labeled data. Besides,…

Computation and Language · Computer Science 2023-05-17 Siyuan Wang , Jianming Zheng , Xuejun Hu , Fei Cai , Chengyu Song , Xueshan Luo

Offline goal-conditioned reinforcement learning methods have shown promise for reach-avoid tasks, where an agent must reach a target state while avoiding undesirable regions of the state space. Existing approaches typically encode…

Machine Learning · Computer Science 2025-05-28 Kevin Li , Marinka Zitnik

Decision Transformer (DT), as one of the representative Reinforcement Learning via Supervised Learning (RvS) methods, has achieved strong performance in offline learning tasks by leveraging the powerful Transformer architecture for…

Machine Learning · Computer Science 2024-11-04 Xiaohang Tang , Afonso Marques , Parameswaran Kamalaruban , Ilija Bogunovic

In this paper, we investigate few-shot joint learning for dialogue language understanding. Most existing few-shot models learn a single task each time with only a few examples. However, dialogue language understanding contains two closely…

Computation and Language · Computer Science 2021-06-15 Yutai Hou , Yongkui Lai , Cheng Chen , Wanxiang Che , Ting Liu

The successful operation of mobile robots requires them to adapt rapidly to environmental changes. To develop an adaptive decision-making tool for mobile robots, we propose a novel algorithm that combines meta-reinforcement learning…

Robotics · Computer Science 2022-07-21 Jaeuk Shin , Astghik Hakobyan , Mingyu Park , Yeoneung Kim , Gihun Kim , Insoon Yang

Prompting methods have shown impressive performance in a variety of text mining tasks and applications, especially few-shot ones. Despite the promising prospects, the performance of prompting model largely depends on the design of prompt…

Computation and Language · Computer Science 2023-06-16 Hongyuan Dong , Weinan Zhang , Wanxiang Che

Adapting pre-trained representations has become the go-to recipe for learning new downstream tasks with limited examples. While literature has demonstrated great successes via representation learning, in this work, we show that substantial…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xiao Lin , Meng Ye , Yunye Gong , Giedrius Buracas , Nikoletta Basiou , Ajay Divakaran , Yi Yao

Text classification tends to struggle when data is deficient or when it needs to adapt to unseen classes. In such challenging scenarios, recent studies have used meta-learning to simulate the few-shot task, in which new queries are compared…

Computation and Language · Computer Science 2019-10-01 Ruiying Geng , Binhua Li , Yongbin Li , Xiaodan Zhu , Ping Jian , Jian Sun

Model-based reinforcement learning (RL) has shown great potential in various control tasks in terms of both sample-efficiency and final performance. However, learning a generalizable dynamics model robust to changes in dynamics remains a…

Machine Learning · Computer Science 2020-10-27 Younggyo Seo , Kimin Lee , Ignasi Clavera , Thanard Kurutach , Jinwoo Shin , Pieter Abbeel

Transformers have become increasingly popular in offline reinforcement learning (RL) due to their ability to treat agent trajectories as sequences, reframing policy learning as a sequence modeling task. However, in partially observable…

Machine Learning · Computer Science 2026-03-05 Egor Cherepanov , Alexey Staroverov , Alexey K. Kovalev , Aleksandr I. Panov

Off-dynamics Reinforcement Learning (ODRL) seeks to transfer a policy from a source environment to a target environment characterized by distinct yet similar dynamics. In this context, traditional RL agents depend excessively on the…

Machine Learning · Computer Science 2024-07-16 Paul Daoudi , Christophe Prieur , Bogdan Robu , Merwan Barlier , Ludovic Dos Santos

The recent GPT-3 model (Brown et al., 2020) achieves remarkable few-shot performance solely by leveraging a natural-language prompt and a few task demonstrations as input context. Inspired by their findings, we study few-shot learning in a…

Computation and Language · Computer Science 2021-06-03 Tianyu Gao , Adam Fisch , Danqi Chen

Large language models such as GPT-3 (Brown et al., 2020) can perform arbitrary tasks without undergoing fine-tuning after being prompted with only a few labeled examples. An arbitrary task can be reformulated as a natural language prompt,…

Machine Learning · Computer Science 2023-02-07 Ajay Patel , Bryan Li , Mohammad Sadegh Rasooli , Noah Constant , Colin Raffel , Chris Callison-Burch

Prompt learning approaches have made waves in natural language processing by inducing better few-shot performance while they still follow a parametric-based learning paradigm; the oblivion and rote memorization problems in learning may…

Computation and Language · Computer Science 2023-09-20 Xiang Chen , Lei Li , Ningyu Zhang , Xiaozhuan Liang , Shumin Deng , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

Large language models have recently been shown to attain reasonable zero-shot generalization on a diverse set of tasks (Brown et al., 2020). It has been hypothesized that this is a consequence of implicit multitask learning in language…

This paper pursues the insight that language models naturally enable an intelligent variation operator similar in spirit to evolutionary crossover. In particular, language models of sufficient scale demonstrate in-context learning, i.e.…

Neural and Evolutionary Computing · Computer Science 2025-11-03 Elliot Meyerson , Mark J. Nelson , Herbie Bradley , Adam Gaier , Arash Moradi , Amy K. Hoover , Joel Lehman

Learning policy from offline datasets through offline reinforcement learning (RL) holds promise for scaling data-driven decision-making while avoiding unsafe and costly online interactions. However, real-world data collected from sensors or…

Machine Learning · Computer Science 2025-03-04 Jiawei Xu , Rui Yang , Shuang Qiu , Feng Luo , Meng Fang , Baoxiang Wang , Lei Han