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Foundation models are becoming valuable tools in medicine. Yet despite their promise, the best way to leverage Large Language Models (LLMs) in complex medical tasks remains an open question. We introduce a novel multi-agent framework, named…

Computation and Language · Computer Science 2024-10-31 Yubin Kim , Chanwoo Park , Hyewon Jeong , Yik Siu Chan , Xuhai Xu , Daniel McDuff , Hyeonhoon Lee , Marzyeh Ghassemi , Cynthia Breazeal , Hae Won Park

As large language models (LLMs) become more specialized, we envision a future where millions of expert LLMs exist, each trained on proprietary data and excelling in specific domains. In such a system, answering a query requires selecting a…

Personalized learning systems have emerged as a promising approach to enhance student outcomes by tailoring educational content, pacing, and feedback to individual needs. However, most existing systems remain fragmented, specializing in…

Artificial Intelligence · Computer Science 2026-01-23 Bismack Tokoli , Luis Jaimes , Ayesha S. Dina

Automating parts of the user interface (UI) design process has been a longstanding challenge. We present an automated technique for optimizing the layouts of mobile UIs. Our method uses gradient descent on a neural network model of task…

Human-Computer Interaction · Computer Science 2020-02-26 Peitong Duan , Casimir Wierzynski , Lama Nachman

Improving GPU kernel efficiency is crucial for advancing AI systems. Recent work has explored leveraging large language models (LLMs) for GPU kernel generation and optimization. However, existing LLM-based kernel optimization pipelines…

Machine Learning · Computer Science 2026-03-12 Qitong Sun , Jun Han , Tianlin Li , Zhe Tang , Sheng Chen , Fei Yang , Aishan Liu , Xianglong Liu , Yang Liu

Skill-based reinforcement learning (RL) has emerged as a promising strategy to leverage prior knowledge for accelerated robot learning. Skills are typically extracted from expert demonstrations and are embedded into a latent space from…

Robotics · Computer Science 2022-11-07 Krishan Rana , Ming Xu , Brendan Tidd , Michael Milford , Niko Sünderhauf

Neural network optimization remains one of the most consequential yet poorly understood challenges in modern AI research, where improvements in training algorithms can lead to enhanced feature learning in foundation models,…

Machine Learning · Computer Science 2025-12-23 Ansh Nagwekar

Large Language Model (LLM) agents are commonly tuned with supervised finetuning on ReAct-style expert trajectories or preference optimization over pairwise rollouts. Most of these methods focus on imitating specific expert behaviors or…

Computation and Language · Computer Science 2025-08-22 Yu Xia , Yiran Shen , Junda Wu , Tong Yu , Sungchul Kim , Ryan A. Rossi , Lina Yao , Julian McAuley

Large language model (LLM) agents deployed for multi-step tasks frequently fail in predictable ways: attempting actions with unmet preconditions, issuing redundant commands, or mishandling environment constraints. While retrieval-augmented…

Artificial Intelligence · Computer Science 2025-10-03 Humaid Ibrahim , Nikolai Rozanov , Marek Rei

Static program slicing, which extracts the executable portions of a program that affect the values at a specific location, supports many software analysis tasks such as debugging and security auditing. However, traditional slicing tools…

Software Engineering · Computer Science 2025-07-28 Jianming Chang , Jieke Shi , Yunbo Lyu , Xin Zhou , Lulu Wang , Zhou Yang , Bixin Li , David Lo

The vast majority of successful deep neural networks are trained using variants of stochastic gradient descent (SGD) algorithms. Recent attempts to improve SGD can be broadly categorized into two approaches: (1) adaptive learning rate…

Machine Learning · Computer Science 2019-12-04 Michael R. Zhang , James Lucas , Geoffrey Hinton , Jimmy Ba

Stochastic gradient descent (SGD) is a premium optimization method for training neural networks, especially for learning objectively defined labels such as image objects and events. When a neural network is instead faced with subjectively…

Neural and Evolutionary Computing · Computer Science 2022-04-15 Kosmas Pinitas , Konstantinos Makantasis , Antonios Liapis , Georgios N. Yannakakis

Even though high-level synthesis (HLS) tools mitigate the challenges of programming domain-specific accelerators (DSAs) by raising the abstraction level, optimizing hardware directive parameters remains a significant hurdle. Existing…

Hardware Architecture · Computer Science 2025-11-24 Hanyu Wang , Xinrui Wu , Zijian Ding , Su Zheng , Chengyue Wang , Neha Prakriya , Tony Nowatzki , Yizhou Sun , Jason Cong

This paper studies a distributed policy gradient in collaborative multi-agent reinforcement learning (MARL), where agents over a communication network aim to find the optimal policy to maximize the average of all agents' local returns. Due…

Multiagent Systems · Computer Science 2022-12-06 Xiaoxiao Zhao , Jinlong Lei , Li Li , Jie Chen

The paper considers independent reinforcement learning (IRL) for multi-agent collaborative decision-making in the paradigm of federated learning (FL). However, FL generates excessive communication overheads between agents and a remote…

Machine Learning · Computer Science 2023-05-30 Xing Xu , Rongpeng Li , Zhifeng Zhao , Honggang Zhang

The development of machine learning is promoting the search for fast and stable minimization algorithms. To this end, we suggest a change in the current gradient descent methods that should speed up the motion in flat regions and slow it…

Machine Learning · Computer Science 2019-06-13 Marco Baiesi

Many problems encountered in science and engineering can be formulated as estimating a low-rank object (e.g., matrices and tensors) from incomplete, and possibly corrupted, linear measurements. Through the lens of matrix and tensor…

Machine Learning · Computer Science 2023-10-11 Cong Ma , Xingyu Xu , Tian Tong , Yuejie Chi

Issue resolution aims to automatically generate patches from given issue descriptions and has attracted significant attention with the rapid advancement of large language models (LLMs). However, due to the complexity of software issues and…

Software Engineering · Computer Science 2026-04-09 Shiqi Kuang , Zhao Tian , Kaiwei Lin , Chaofan Tao , Shaowei Wang , Haoli Bai , Lifeng Shang , Junjie Chen

Adaptive gradient methods, e.g. \textsc{Adam}, have achieved tremendous success in machine learning. Scaling the learning rate element-wisely by a certain form of second moment estimate of gradients, such methods are able to attain rapid…

Machine Learning · Computer Science 2022-02-10 Yizhou Wang , Yue Kang , Can Qin , Huan Wang , Yi Xu , Yulun Zhang , Yun Fu

Skill libraries allow LLM agents to load task-specific instructions on demand, letting non-expert users solve domain-specific tasks through natural language without knowing which skills exist or how they work. However, performance degrades…

Software Engineering · Computer Science 2026-05-26 Hongwen Song , Song , Wei