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As agentic AI becomes more widespread, agents with distinct and possibly conflicting goals will interact in complex ways. These multi-agent interactions pose a fundamental challenge, particularly in social dilemmas, where agents' individual…

Machine Learning · Computer Science 2025-12-02 Dereck Piche , Mohammed Muqeeth , Milad Aghajohari , Juan Duque , Michael Noukhovitch , Aaron Courville

Interactive conversational recommender systems have gained significant attention for their ability to capture user preferences through natural language interactions. However, existing approaches face substantial challenges in handling…

Artificial Intelligence · Computer Science 2025-10-03 Bo Ma , Hang Li , ZeHua Hu , XiaoFan Gui , LuYao Liu , Simon Lau

Recognizing speaker intent in long audio dialogues among speakers has a wide range of applications, but is a non-trivial AI task due to complex inter-dependencies in speaker utterances and scarce annotated data. To address these challenges,…

Sound · Computer Science 2025-11-18 HongYu Liu , Junxin Li , Changxi Guo , Hao Chen , Yaqian Huang , Yifu Guo , Huan Yang , Lihua Cai

Dialog policy decides what and how a task-oriented dialog system will respond, and plays a vital role in delivering effective conversations. Many studies apply Reinforcement Learning to learn a dialog policy with the reward function which…

Computation and Language · Computer Science 2019-08-29 Ryuichi Takanobu , Hanlin Zhu , Minlie Huang

Deep Reinforcement Learning (DRL) has emerged as a powerful solution for meeting the growing demands for connectivity, reliability, low latency and operational efficiency in advanced networks. However, most research has focused on…

Networking and Internet Architecture · Computer Science 2025-07-21 Haiyuan Li , Hari Madhukumar , Peizheng Li , Yuelin Liu , Yiran Teng , Yulei Wu , Ning Wang , Shuangyi Yan , Dimitra Simeonidou

The Aircraft Landing Problem (ALP) is one of the challenging problems in aircraft transportation and management. The challenge is to schedule the arriving aircraft in a sequence so that the cost and delays are optimized. There are various…

Machine Learning · Computer Science 2025-03-19 Vatsal Maru

Recent agent-based recommendation frameworks aim to simulate user behaviors by incorporating memory mechanisms and prompting strategies, but they struggle with hallucinating non-existent items and full-catalog ranking. Besides, a largely…

Information Retrieval · Computer Science 2026-02-25 Mingdai Yang , Nurendra Choudhary , Jiangshu Du , Edward W. Huang , Philip S. Yu , Karthik Subbian , Danai Koutra

Reinforcement learning (RL) agents are often designed specifically for a particular problem and they generally have uninterpretable working processes. Statistical methods-based agent algorithms can be improved in terms of generalizability…

Artificial Intelligence · Computer Science 2020-07-14 Faruk Kucuksubasi , Elif Surer

Building embodied autonomous agents capable of participating in social interactions with humans is one of the main challenges in AI. Within the Deep Reinforcement Learning (DRL) field, this objective motivated multiple works on embodied…

Machine Learning · Computer Science 2021-09-02 Grgur Kovač , Rémy Portelas , Katja Hofmann , Pierre-Yves Oudeyer

As the next generation of mobile systems evolves, artificial intelligence (AI) is expected to deeply integrate with wireless communications for resource management in variable environments. In particular, deep reinforcement learning (DRL)…

Signal Processing · Electrical Eng. & Systems 2024-10-15 Jie Zhang , Jun Li , Long Shi , Zhe Wang , Shi Jin , Wen Chen , H. Vincent Poor

This paper introduces a decentralized multi-agent reinforcement learning framework enabling structurally heterogeneous teams of agents to jointly discover and acquire randomly located targets in environments characterized by partial…

Robotics · Computer Science 2026-01-14 Gabriele Calzolari , Vidya Sumathy , Christoforos Kanellakis , George Nikolakopoulos

To sustain coherent long-term interactions, Large Language Model (LLM) agents must navigate the tension between acquiring new information and retaining prior knowledge. Current unified stream-based memory systems facilitate context updates…

Artificial Intelligence · Computer Science 2026-04-15 Zhaofen Wu , Hanrong Zhang , Fulin Lin , Wujiang Xu , Xinran Xu , Yankai Chen , Henry Peng Zou , Shaowen Chen , Weizhi Zhang , Xue Liu , Philip S. Yu , Hongwei Wang

The emergence of Large Language Models (LLMs) in Multi-Agent Systems (MAS) has opened new possibilities for artificial intelligence, yet current implementations face significant challenges in resource management, task coordination, and…

Multiagent Systems · Computer Science 2025-12-03 Junwei Yu , Yepeng Ding , Hiroyuki Sato

LLM agents are rapidly becoming the practical interface for task automation, yet the ecosystem lacks a principled way to choose among an exploding space of deployable configurations. Existing LLM leaderboards and tool/agent benchmarks…

Artificial Intelligence · Computer Science 2026-03-05 Yunxiao Shi , Wujiang Xu , Tingwei Chen , Haoning Shang , Ling Yang , Yunfeng Wan , Zhuo Cao , Xing Zi , Dimitris N. Metaxas , Min Xu

Training chatbots using the reinforcement learning paradigm is challenging due to high-dimensional states, infinite action spaces and the difficulty in specifying the reward function. We address such problems using clustered actions instead…

Artificial Intelligence · Computer Science 2019-08-28 Heriberto Cuayáhuitl , Donghyeon Lee , Seonghan Ryu , Sungja Choi , Inchul Hwang , Jihie Kim

Finding optimal bidding strategies for generation units in electricity markets would result in higher profit. However, it is a challenging problem due to the system uncertainty which is due to the unknown other generation units' strategies.…

Artificial Intelligence · Computer Science 2022-08-15 Pegah Rokhforoz , Olga Fink

Although Reinforcement Learning (RL) agents are effective in well-defined environments, they often struggle to generalize their learned policies to dynamic settings due to their reliance on trial-and-error interactions. Recent work has…

Machine Learning · Computer Science 2025-08-26 Zhihao Dou , Dongfei Cui , Jun Yan , Weida Wang , Benteng Chen , Haoming Wang , Zeke Xie , Shufei Zhang

The emergence of Large Language Models (LLMs) like ChatGPT has inspired the development of LLM-based agents capable of addressing complex, real-world tasks. However, these agents often struggle during task execution due to methodological…

Computation and Language · Computer Science 2025-01-22 Yaoxiang Wang , Zhiyong Wu , Junfeng Yao , Jinsong Su

This paper considers a distributed reinforcement learning problem in which a network of multiple agents aim to cooperatively maximize the globally averaged return through communication with only local neighbors. A randomized…

Machine Learning · Computer Science 2019-07-09 Yixuan Lin , Kaiqing Zhang , Zhuoran Yang , Zhaoran Wang , Tamer Başar , Romeil Sandhu , Ji Liu

Large Language Model agents demonstrate potential in solving real-world problems via tools, yet generalist intelligence is bottlenecked by scarce high-quality, long-horizon data. Existing methods collect privacy-constrained API logs or…

Computation and Language · Computer Science 2026-02-11 Zexu Sun , Bokai Ji , Hengyi Cai , Shuaiqiang Wang , Lei Wang , Guangxia Li , Xu Chen