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Clinicians usually combine information from multiple sources to achieve the most accurate diagnosis, and this has sparked increasing interest in leveraging multimodal deep learning for diagnosis. However, in real clinical scenarios, due to…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Kai Han , Chongwen Lyu , Lele Ma , Chengxuan Qian , Siqi Ma , Zheng Pang , Jun Chen , Zhe Liu

Multi-agent Reinforcement Learning (MARL) is a powerful tool for training autonomous agents acting independently in a common environment. However, it can lead to sub-optimal behavior when individual incentives and group incentives diverge.…

人工智能 · 计算机科学 2024-01-30 Andreas A. Haupt , Phillip J. K. Christoffersen , Mehul Damani , Dylan Hadfield-Menell

Multi-modal knowledge graph completion (MMKGC) aims to predict the missing triples in the multi-modal knowledge graphs by incorporating structural, visual, and textual information of entities into the discriminant models. The information…

人工智能 · 计算机科学 2024-02-26 Yichi Zhang , Zhuo Chen , Lei Liang , Huajun Chen , Wen Zhang

Many complex multi-agent systems such as robot swarms control and autonomous vehicle coordination can be modeled as Multi-Agent Reinforcement Learning (MARL) tasks. QMIX, a widely popular MARL algorithm, has been used as a baseline for the…

机器学习 · 计算机科学 2023-06-09 Jian Hu , Siyang Jiang , Seth Austin Harding , Haibin Wu , Shih-wei Liao

For better user experience and business effectiveness, Click-Through Rate (CTR) prediction has been one of the most important tasks in E-commerce. Although extensive CTR prediction models have been proposed, learning good representation of…

信息检索 · 计算机科学 2020-03-17 Xiang Li , Chao Wang , Jiwei Tan , Xiaoyi Zeng , Dan Ou , Bo Zheng

Decentralized combinatorial optimization in evolving multi-agent systems poses significant challenges, requiring agents to balance long-term decision-making, short-term optimized collective outcomes, while preserving autonomy of interactive…

多智能体系统 · 计算机科学 2025-09-23 Chuhao Qin , Evangelos Pournaras

Standard meta-learning for representation learning aims to find a common representation to be shared across multiple tasks. The effectiveness of these methods is often limited when the nuances of the tasks' distribution cannot be captured…

机器学习 · 计算机科学 2021-03-31 Giulia Denevi , Massimiliano Pontil , Carlo Ciliberto

By jointly learning multiple tasks, multi-task learning (MTL) can leverage the shared knowledge across tasks, resulting in improved data efficiency and generalization performance. However, a major challenge in MTL lies in the presence of…

机器学习 · 计算机科学 2024-07-03 Hao Ban , Kaiyi Ji

Meta-learning models have two objectives. First, they need to be able to make predictions over a range of task distributions while utilizing only a small amount of training data. Second, they also need to adapt to new novel unseen tasks at…

机器学习 · 计算机科学 2021-01-26 Edwin Pan , Pankaj Rajak , Shubham Shrivastava

In numerous reinforcement learning (RL) problems involving safety-critical systems, a key challenge lies in balancing multiple objectives while simultaneously meeting all stringent safety constraints. To tackle this issue, we propose a…

人工智能 · 计算机科学 2024-05-28 Shangding Gu , Bilgehan Sel , Yuhao Ding , Lu Wang , Qingwei Lin , Alois Knoll , Ming Jin

Reinforcement learning (RL) is a framework to optimize a control policy using rewards that are revealed by the system as a response to a control action. In its standard form, RL involves a single agent that uses its policy to accomplish a…

系统与控制 · 电气工程与系统科学 2021-11-24 Juan Cervino , Juan Andres Bazerque , Miguel Calvo-Fullana , Alejandro Ribeiro

Learning-enabled control systems increasingly rely on multiple sensing modalities (e.g., vision, audio, language, etc.) for perception and decision support. A key challenge is that multi-modal sensor training dynamics are often imbalanced:…

机器学习 · 计算机科学 2026-04-01 Heshan Fernando , Quan Xiao , Parikshit Ram , Yi Zhou , Horst Samulowitz , Nathalie Baracaldo , Tianyi Chen

Cross-modal contrastive distillation has recently been explored for learning effective 3D representations. However, existing methods focus primarily on modality-shared features, neglecting the modality-specific features during the…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Yifan Zhang , Junhui Hou

A natural goal in multiagent learning besides finding equilibria is to learn rationalizable behavior, where players learn to avoid iteratively dominated actions. However, even in the basic setting of multiplayer general-sum games, existing…

机器学习 · 计算机科学 2022-10-21 Yuanhao Wang , Dingwen Kong , Yu Bai , Chi Jin

Multimodal AI has demonstrated superior performance over unimodal approaches by leveraging diverse data sources for more comprehensive analysis. However, applying this effectiveness in healthcare is challenging due to the limited…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Pranav Poudel , Prashant Shrestha , Sanskar Amgain , Yash Raj Shrestha , Prashnna Gyawali , Binod Bhattarai

Modern Review Helpfulness Prediction systems are dependent upon multiple modalities, typically texts and images. Unfortunately, those contemporary approaches pay scarce attention to polish representations of cross-modal relations and tend…

计算与语言 · 计算机科学 2026-05-13 Thong Nguyen , Xiaobao Wu , Anh-Tuan Luu , Cong-Duy Nguyen , Zhen Hai , Lidong Bing

Multimodal Reward Models (MRMs) play a crucial role in enhancing the performance of Multimodal Large Language Models (MLLMs). While recent advancements have primarily focused on improving the model structure and training data of MRMs, there…

We present a general framework for solving a large class of learning problems with non-linear functions of classification rates. This includes problems where one wishes to optimize a non-decomposable performance metric such as the F-measure…

机器学习 · 计算机科学 2019-09-09 Harikrishna Narasimhan , Andrew Cotter , Maya Gupta

We develop a new classification framework based on the theory of coherent risk measures and systemic risk. The proposed approach is suitable for multi-class problems when the data is noisy, scarce (relative to the dimension of the problem),…

机器学习 · 统计学 2026-05-29 Darinka Dentcheva , Xiangyu Tian

Medical multimodal representation learning aims to integrate heterogeneous data into unified patient representations to support clinical outcome prediction. However, real-world medical datasets commonly contain systematic biases from…

机器学习 · 计算机科学 2026-05-19 Xiaoguang Zhu , Linxiao Gong , Lianlong Sun , Yang Liu , Haoyu Wang , Jing Liu