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Creating an effective representation space is crucial for mitigating the curse of dimensionality, enhancing model generalization, addressing data sparsity, and leveraging classical models more effectively. Recent advancements in automated…

Machine Learning · Computer Science 2024-01-17 Ehtesamul Azim , Dongjie Wang , Kunpeng Liu , Wei Zhang , Yanjie Fu

Value factorization is a popular paradigm for designing scalable multi-agent reinforcement learning algorithms. However, current factorization methods make choices without full justification that may limit their performance. For example,…

Artificial Intelligence · Computer Science 2024-09-11 Enrico Marchesini , Andrea Baisero , Rupali Bhati , Christopher Amato

Multi-agent settings in the real world often involve tasks with varying types and quantities of agents and non-agent entities; however, common patterns of behavior often emerge among these agents/entities. Our method aims to leverage these…

Machine Learning · Computer Science 2021-06-15 Shariq Iqbal , Christian A. Schroeder de Witt , Bei Peng , Wendelin Böhmer , Shimon Whiteson , Fei Sha

Deep learning has enjoyed a great deal of success because of its ability to learn useful features for tasks such as classification. But there has been less exploration in learning the factors of variation apart from the classification…

Machine Learning · Computer Science 2015-06-18 Brian Cheung , Jesse A. Livezey , Arjun K. Bansal , Bruno A. Olshausen

Extracting a stable and compact representation of the environment is crucial for efficient reinforcement learning in high-dimensional, noisy, and non-stationary environments. Different categories of information coexist in such environments…

Machine Learning · Computer Science 2023-06-28 Yu-Ren Liu , Biwei Huang , Zhengmao Zhu , Honglong Tian , Mingming Gong , Yang Yu , Kun Zhang

Most model-free reinforcement learning methods leverage state representations (embeddings) for generalization, but either ignore structure in the space of actions or assume the structure is provided a priori. We show how a policy can be…

Machine Learning · Computer Science 2019-05-16 Yash Chandak , Georgios Theocharous , James Kostas , Scott Jordan , Philip S. Thomas

The quality of learned features by representation learning determines the performance of learning algorithms and the related application tasks (such as high-dimensional data clustering). As a relatively new paradigm for representation…

Machine Learning · Computer Science 2021-02-02 Zhao Zhang , Yan Zhang , Mingliang Xu , Li Zhang , Yi Yang , Shuicheng Yan

Causal representation learning seeks to recover latent factors that generate observational data through a mixing function. Needing assumptions on latent structures or relationships to achieve identifiability in general, prior works often…

Artificial Intelligence · Computer Science 2025-09-24 Kwonho Kim , Heejeong Nam , Inwoo Hwang , Sanghack Lee

Real-world data is usually segmented by attributes and distributed across different parties. Federated learning empowers collaborative training without exposing local data or models. As we demonstrate through designed attacks, even with a…

Machine Learning · Computer Science 2021-04-30 Shuang Zhang , Liyao Xiang , Xi Yu , Pengzhi Chu , Yingqi Chen , Chen Cen , Li Wang

We introduce a conditional generative model for learning to disentangle the hidden factors of variation within a set of labeled observations, and separate them into complementary codes. One code summarizes the specified factors of variation…

Machine Learning · Computer Science 2016-11-11 Michael Mathieu , Junbo Zhao , Pablo Sprechmann , Aditya Ramesh , Yann LeCun

Though reinforcement learning has greatly benefited from the incorporation of neural networks, the inability to verify the correctness of such systems limits their use. Current work in explainable deep learning focuses on explaining only a…

Machine Learning · Computer Science 2019-05-30 Nicholay Topin , Manuela Veloso

Intelligent systems have the ability to improve their behaviour over time taking observations, experiences or explicit feedback into account. Traditional approaches separate the learning problem and make isolated use of techniques from…

Machine Learning · Computer Science 2022-01-12 Simon Reichhuber , Sven Tomforde

As a fundamental method in economics and finance, the factor model has been extensively utilized in quantitative investment. In recent years, there has been a paradigm shift from traditional linear models with expert-designed factors to…

Statistical Finance · Quantitative Finance 2025-02-11 Yitong Duan , Weiran Wang , Jian Li

In a wide range of multimodal tasks, contrastive learning has become a particularly appealing approach since it can successfully learn representations from abundant unlabeled data with only pairing information (e.g., image-caption or…

Machine Learning · Computer Science 2023-10-31 Paul Pu Liang , Zihao Deng , Martin Ma , James Zou , Louis-Philippe Morency , Ruslan Salakhutdinov

Recent methods for reinforcement learning from images use auxiliary tasks to learn image features that are used by the agent's policy or Q-function. In particular, methods based on contrastive learning that induce linearity of the latent…

Machine Learning · Computer Science 2022-03-04 Bang You , Oleg Arenz , Youping Chen , Jan Peters

Recent studies show that deep neural networks are vulnerable to adversarial examples which can be generated via certain types of transformations. Being robust to a desired family of adversarial attacks is then equivalent to being invariant…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Jiawei Chen , Janusz Konrad , Prakash Ishwar

Vision-Language Models (VLMs) have demonstrated remarkable progress in chart understanding, largely driven by supervised fine-tuning (SFT) on increasingly large synthetic datasets. However, scaling SFT data alone is inefficient and…

Computation and Language · Computer Science 2026-05-12 Jianzhu Bao , Haozhen Zhang , Kuicai Dong , Bozhi Wu , Sarthak Ketanbhai Modi , Zi Pong Lim , Yon Shin Teo , Wenya Wang

This paper presents a phase-conditioned, force-aware framework for robust deformable object manipulation. Standard imitation learning policies such as Action Chunking with Transformers (ACT) rely on a Markovian assumption at inference,…

Robotics · Computer Science 2026-05-29 Dayuan Chen , Kai Tang , Yukuan Zhang , Kazuhiro Kosuge , Yasuhisa Hirata

Learning fair representation is crucial for achieving fairness or debiasing sensitive information. Most existing works rely on adversarial representation learning to inject some invariance into representation. However, adversarial learning…

Machine Learning · Computer Science 2022-06-20 Changdae Oh , Heeji Won , Junhyuk So , Taero Kim , Yewon Kim , Hosik Choi , Kyungwoo Song

Since the advent of autonomous driving technology, it has experienced remarkable progress over the last decade. However, most existing research still struggles to address the challenges posed by environments where multiple vehicles have to…

Multiagent Systems · Computer Science 2025-08-01 Jing Wang , Yan Jin , Fei Ding , Chongfeng Wei