English
Related papers

Related papers: NG-Router: Graph-Supervised Multi-Agent Collaborat…

200 papers

Personalized nutrition intervention for patients with multimorbidity is critical for improving health outcomes, yet remains challenging because it requires the simultaneous integration of heterogeneous clinical conditions, medications, and…

Multiagent Systems · Computer Science 2026-02-24 Junwei Wu , Runze Yan , Hanqi Luo , Darren Liu , Minxiao Wang , Kimberly L. Townsend , Lydia S. Hartwig , Derek Milketinas , Xiao Hu , Carl Yang

Retrieval-Augmented Generation (RAG) has been introduced to mitigate hallucinations in Multimodal Large Language Models (MLLMs) by incorporating external knowledge into the generation process, and it has become a widely adopted approach for…

Artificial Intelligence · Computer Science 2026-03-17 Zhuohang Jiang , Pangjing Wu , Xu Yuan , Wenqi Fan , Qing Li

Multi-hop knowledge graph (KG) reasoning is an effective and explainable method for predicting the target entity via reasoning paths in query answering (QA) task. Most previous methods assume that every relation in KGs has enough training…

Artificial Intelligence · Computer Science 2019-09-02 Xin Lv , Yuxian Gu , Xu Han , Lei Hou , Juanzi Li , Zhiyuan Liu

Large Language Models (LLMs) demonstrate strong reasoning abilities but face limitations such as hallucinations and outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) addresses these issues by grounding LLM…

Computation and Language · Computer Science 2025-03-04 Mufei Li , Siqi Miao , Pan Li

We present MA-RAG, a Multi-Agent framework for Retrieval-Augmented Generation (RAG) that addresses the inherent ambiguities and reasoning challenges in complex information-seeking tasks. Unlike conventional RAG methods that rely on…

Computation and Language · Computer Science 2025-10-14 Thang Nguyen , Peter Chin , Yu-Wing Tai

Hybrid question answering (HybridQA) over the financial report contains both textual and tabular data, and requires the model to select the appropriate evidence for the numerical reasoning task. Existing methods based on encoder-decoder…

Computation and Language · Computer Science 2023-05-08 Yifan Wei , Fangyu Lei , Yuanzhe Zhang , Jun Zhao , Kang Liu

With an ever-growing zoo of LLMs and benchmarks, the need to orchestrate multiple models for improved task performance has never been more pressing. While frameworks like Mixture-of-Agents (MoA) attempt to coordinate LLMs, they often fall…

Artificial Intelligence · Computer Science 2026-04-21 Sukwon Yun , Jie Peng , Pingzhi Li , Wendong Fan , Jie Chen , James Zou , Guohao Li , Tianlong Chen

Reinforcement learning (RL) is an effective method of finding reasoning pathways in incomplete knowledge graphs (KGs). To overcome the challenges of a large action space, a self-supervised pre-training method is proposed to warm up the…

Computation and Language · Computer Science 2025-04-17 Ying Ma , Owen Burns , Mingqiu Wang , Gang Li , Nan Du , Laurent El Shafey , Liqiang Wang , Izhak Shafran , Hagen Soltau

The task of natural language table retrieval (NLTR) seeks to retrieve semantically relevant tables based on natural language queries. Existing learning systems for this task often treat tables as plain text based on the assumption that…

Information Retrieval · Computer Science 2021-05-06 Fei Wang , Kexuan Sun , Muhao Chen , Jay Pujara , Pedro Szekely

Knowledge graph reasoning plays a vital role in various applications and has garnered considerable attention. Recently, path-based methods have achieved impressive performance. However, they may face limitations stemming from constraints in…

Artificial Intelligence · Computer Science 2024-12-18 Junnan Liu , Qianren Mao , Weifeng Jiang , Jianxin Li

Large language models (LLMs) show promising performance on small-scale graph reasoning tasks but fail when handling real-world graphs with complex queries. This phenomenon arises from LLMs' working memory constraints, which result in their…

Artificial Intelligence · Computer Science 2025-10-01 Rongzheng Wang , Shuang Liang , Qizhi Chen , Yihong Huang , Muquan Li , Yizhuo Ma , Dongyang Zhang , Ke Qin , Man-Fai Leung

Reasoning is a fundamental problem for computers and deeply studied in Artificial Intelligence. In this paper, we specifically focus on answering multi-hop logical queries on Knowledge Graphs (KGs). This is a complicated task because, in…

Artificial Intelligence · Computer Science 2022-09-30 Alfonso Amayuelas , Shuai Zhang , Susie Xi Rao , Ce Zhang

In recent years, there has been a surge of interests in interpretable graph reasoning methods. However, these models often suffer from limited performance when working on sparse and incomplete graphs, due to the lack of evidential paths…

Artificial Intelligence · Computer Science 2019-09-15 Cong Fu , Tong Chen , Meng Qu , Woojeong Jin , Xiang Ren

This work deals with the challenge of learning and reasoning over multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn cross paragraph reasoning paths and find the…

Computation and Language · Computer Science 2020-11-19 Chen Zheng , Parisa Kordjamshidi

Automated clinical diagnosis remains a core challenge in medical AI, which usually requires models to integrate multi-modal data and reason across complex, case-specific contexts. Although recent methods have advanced medical report…

Computation and Language · Computer Science 2026-01-21 Yuezhe Yang , Hao Wang , Yige Peng , Jinman Kim , Lei Bi

Efficient multi-robot task allocation (MRTA) is fundamental to various time-sensitive applications such as disaster response, warehouse operations, and construction. This paper tackles a particular class of these problems that we call…

Multiagent Systems · Computer Science 2023-08-21 Steve Paul , Wenyuan Li , Brian Smyth , Yuzhou Chen , Yulia Gel , Souma Chowdhury

In large-scale multi-agent systems, the large number of agents and complex game relationship cause great difficulty for policy learning. Therefore, simplifying the learning process is an important research issue. In many multi-agent…

Artificial Intelligence · Computer Science 2019-11-26 Yong Liu , Weixun Wang , Yujing Hu , Jianye Hao , Xingguo Chen , Yang Gao

The era of data deluge has sparked the interest in graph-based learning methods in a number of disciplines such as sociology, biology, neuroscience, or engineering. In this paper, we introduce a graph recurrent neural network (GRNN) for…

Machine Learning · Computer Science 2019-02-19 Vassilis N. Ioannidis , Antonio G. Marques , Georgios B. Giannakis

Despite recent advances, autonomous agents often struggle to solve complex tasks in enterprise domains that require coordinating multiple tools and processing diverse data sources. This struggle is driven by two main limitations. First,…

Artificial Intelligence · Computer Science 2025-12-04 Gianni Molinari , Fabio Ciravegna

Given a graph with textual attributes, we enable users to `chat with their graph': that is, to ask questions about the graph using a conversational interface. In response to a user's questions, our method provides textual replies and…

Machine Learning · Computer Science 2024-05-28 Xiaoxin He , Yijun Tian , Yifei Sun , Nitesh V. Chawla , Thomas Laurent , Yann LeCun , Xavier Bresson , Bryan Hooi