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This paper introduces the memory by Association and Reinforcement of Contexts (mARC). mARC is a novel data modeling technology rooted in the second quantization formulation of quantum mechanics. It is an all-purpose incremental and…

Information Retrieval · Computer Science 2013-12-11 Norbert Rimoux , Patrice Descourt

Counterfactual explanations offer actionable insights by illustrating how changes to inputs can lead to different outcomes. However, these explanations often suffer from ambiguity and impracticality, limiting their utility for non-expert…

Human-Computer Interaction · Computer Science 2025-04-22 Aditya Bhattacharya , Tim Vanherwegen , Katrien Verbert

This paper introduces Team-Attention-Actor-Critic (TAAC), a reinforcement learning algorithm designed to enhance multi-agent collaboration in cooperative environments. TAAC employs a Centralized Training/Centralized Execution scheme…

Artificial Intelligence · Computer Science 2025-12-23 Hugo Garrido-Lestache Belinchon , Jeremy Kedziora

Open large language models (LLMs) have significantly advanced the field of natural language processing, showcasing impressive performance across various tasks.Despite the significant advancements in LLMs, their effective operation still…

Computation and Language · Computer Science 2025-04-16 Xuechen Liang , Yangfan He , Meiling Tao , Yinghui Xia , Jianhui Wang , Tianyu Shi , Jun Wang , JingSong Yang

Multi-agent reinforcement learning (MARL) has witnessed significant progress with the development of value function factorization methods. It allows optimizing a joint action-value function through the maximization of factorized per-agent…

Multiagent Systems · Computer Science 2023-05-05 Hanhan Zhou , Tian Lan , Vaneet Aggarwal

Multi-agent reinforcement learning (MARL) provides an efficient way for simultaneously learning policies for multiple agents interacting with each other. However, in scenarios requiring complex interactions, existing algorithms can suffer…

Machine Learning · Computer Science 2022-03-08 Xiaobai Ma , David Isele , Jayesh K. Gupta , Kikuo Fujimura , Mykel J. Kochenderfer

We present L-MARS (Legal Multi-Agent Workflow with Orchestrated Reasoning and Agentic Search), a multi-agent retrieval framework for grounded legal question answering that decomposes queries into structured sub-problems, retrieves evidence…

Artificial Intelligence · Computer Science 2026-03-31 Ziqi Wang , Boqin Yuan

Multi-agent systems (MAS) solve complex problems through coordinated autonomous entities with individual decision-making capabilities. While Multi-Agent Reinforcement Learning (MARL) enables these agents to learn intelligent strategies, it…

Multiagent Systems · Computer Science 2025-10-10 Xinren Zhang , Sixi Cheng , Zixin Zhong , Jiadong Yu

Multi-Agent Reinforcement Learning (MARL) algorithms are widely adopted in tackling complex tasks that require collaboration and competition among agents in dynamic Multi-Agent Systems (MAS). However, learning such tasks from scratch is…

Artificial Intelligence · Computer Science 2024-02-14 Ayesha Siddika Nipu , Siming Liu , Anthony Harris

Recommender systems play a vital role in various online services. However, the insulated nature of training and deploying separately within a specific domain limits their access to open-world knowledge. Recently, the emergence of large…

Information Retrieval · Computer Science 2023-12-05 Yunjia Xi , Weiwen Liu , Jianghao Lin , Xiaoling Cai , Hong Zhu , Jieming Zhu , Bo Chen , Ruiming Tang , Weinan Zhang , Rui Zhang , Yong Yu

Complex medical reasoning has historically required frontier language models to achieve clinically-acceptable accuracy, creating computational barriers that limit deployment in resource-constrained clinical settings. We present…

Artificial Intelligence · Computer Science 2026-04-01 Pranav Pushkar Mishra , Mohammad Arvan , Mohan Zalake

Multi-Agent Reinforcement Learning (MARL) is an increasingly important research field that can model and control multiple large-scale autonomous systems. Despite its achievements, existing multi-agent learning methods typically involve…

Multiagent Systems · Computer Science 2023-05-25 Kailash Gogineni , Peng Wei , Tian Lan , Guru Venkataramani

Multi-agent systems have extended the capability of agentic AI. Instead of single inference passes, multiple agents perform collective reasoning to derive high quality answers. However, existing multi-agent orchestration relies on static…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-24 Chaoyi Ruan , Yiliang Wang , Ziji Shi , Jialin Li

The rapid proliferation of multimodal misinformation presents significant challenges for automated fact-checking systems, especially when claims are ambiguous or lack sufficient context. We introduce RAMA, a novel retrieval-augmented…

Computation and Language · Computer Science 2025-07-15 Shuo Yang , Zijian Yu , Zhenzhe Ying , Yuqin Dai , Guoqing Wang , Jun Lan , Jinfeng Xu , Jinze Li , Edith C. H. Ngai

Large language models applied to clinical prediction exhibit case-level heterogeneity: simple cases yield consistent outputs, while complex cases produce divergent predictions under minor prompt changes. Existing single-agent strategies…

Artificial Intelligence · Computer Science 2026-04-02 Yuxing Lu , Yushuhong Lin , Jason Zhang

The selection of appropriate medical imaging procedures is a critical and complex clinical decision, guided by extensive evidence-based standards such as the ACR Appropriateness Criteria (ACR-AC). However, the underutilization of these…

Quantitative Methods · Quantitative Biology 2025-10-07 Satrio Pambudi , Filippo Menolascina

Modern supply networks are complex interconnected systems. Multi-agent models are increasingly explored to optimise their performance. Most research assumes agents will have full observability of the system by having a single policy…

Multiagent Systems · Computer Science 2026-03-02 Wan Wang , Haiyan Wang , Adam Sobey

Patient matching is the process of linking patients to appropriate clinical trials by accurately identifying and matching their medical records with trial eligibility criteria. We propose LLM-Match, a novel framework for patient matching…

Computation and Language · Computer Science 2025-03-26 Xiaodi Li , Shaika Chowdhury , Chung Il Wi , Maria Vassilaki , Xiaoke Liu , Terence T Sio , Owen Garrick , Young J Juhn , James R Cerhan , Cui Tao , Nansu Zong

Online health resources and large language models (LLMs) are increasingly used as a first point of contact for medical decision-making, yet their reliability in healthcare remains limited by low accuracy, lack of transparency, and…

Artificial Intelligence · Computer Science 2026-04-22 Yujia Liu , Sophia Yu , Hongyue Jin , Jessica Wen , Alexander Qian , Terrence Lee , Mattheus Ramsis , Gi Won Choi , Lianhui Qin , Xin Liu , Edward J. Wang

Multi-agent large language models (MA-LLMs) are a rapidly growing research area that leverages multiple interacting language agents to tackle complex tasks, outperforming single-agent large language models. This literature review…

Multiagent Systems · Computer Science 2025-06-03 Arne Tillmann