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Multi-hop question answering (QA) necessitates multi-step reasoning and retrieval across interconnected subjects, attributes, and relations. Existing retrieval-augmented generation (RAG) methods struggle to capture these structural…

计算与语言 · 计算机科学 2026-02-19 Jimeng Shi , Wei Hu , Runchu Tian , Bowen Jin , Wonbin Kweon , SeongKu Kang , Yunfan Kang , Dingqi Ye , Sizhe Zhou , Shaowen Wang , Jiawei Han

Language agents perform complex tasks by using tools to execute each step precisely. However, most existing agents are based on proprietary models or designed to target specific tasks, such as mathematics or multi-hop question answering. We…

人工智能 · 计算机科学 2024-06-11 Joongwon Kim , Bhargavi Paranjape , Tushar Khot , Hannaneh Hajishirzi

Recent advances in Large Language Models (LLMs) and Large Reasoning Models (LRMs) have enabled agentic search systems that interleave multi-step reasoning with external tool use. However, existing frameworks largely rely on unstructured…

信息检索 · 计算机科学 2025-12-29 Shuting Wang , Qiaolin Xia , Vich Wang , Herberttli , Bobsimons , Zhicheng Dou

The ability to perform multi-modal multi-hop reasoning by iteratively integrating information across various modalities and external knowledge is critical for addressing complex real-world challenges. However, existing Multi-modal Large…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Tao Zhang , Ziqi Zhang , Zongyang Ma , Yuxin Chen , Bing Li , Chunfeng Yuan , Guangting Wang , Fengyun Rao , Ying Shan , Weiming Hu

Retrieval-Augmented Generation (RAG) systems face challenges with complex, multihop questions, and agentic frameworks such as Search-R1 (Jin et al., 2025), which operates iteratively, have been proposed to address these complexities.…

Recent advances in large multimodal models have enabled new opportunities in embodied AI, particularly in robotic manipulation. These models have shown strong potential in generalization and reasoning, but achieving reliable and responsible…

机器人学 · 计算机科学 2025-12-05 Lei Zhang , Ju Dong , Kaixin Bai , Minheng Ni , Zoltan-Csaba Marton , Zhaopeng Chen , Jianwei Zhang

Foundation models have revolutionized artificial intelligence, yet their application in recommender systems remains limited by reasoning opacity and knowledge constraints. This paper introduces AgenticRAG, a novel framework that combines…

信息检索 · 计算机科学 2025-10-06 Bo Ma , Hang Li , ZeHua Hu , XiaoFan Gui , LuYao Liu , Simon Liu

Vision-Language Models (VLMs) show promise for autonomous driving, yet their struggle with hallucinations, inefficient reasoning, and limited real-world validation hinders accurate perception and robust step-by-step reasoning. To overcome…

Retrieval-augmented generation (RAG) has demonstrated strong performance in single-hop question answering (QA) by integrating external knowledge into large language models (LLMs). However, its effectiveness remains limited in multi-hop QA,…

计算与语言 · 计算机科学 2026-01-13 Ningning Zhang , Chi Zhang , Zhizhong Tan , Xingxing Yang , Weiping Deng , Wenyong Wang

Existing multimodal reasoning models and frameworks suffer from fundamental architectural limitations: most lack the human-like ability to autonomously explore diverse reasoning pathways-whether in direct inference, tool-driven visual…

人工智能 · 计算机科学 2025-12-15 Yifu Guo , Zishan Xu , Zhiyuan Yao , Yuquan Lu , Jiaye Lin , Sen Hu , Zhenheng Tang , Huacan Wang , Ronghao Chen

Recent advancements in Retrieval-Augmented Generation (RAG) have enabled Large Language Models to answer financial questions using external knowledge bases of U.S. SEC filings, earnings reports, and regulatory documents. However, existing…

Retrieval-augmented generation (RAG) and its graph-based extensions (GraphRAG) are effective paradigms for improving large language model (LLM) reasoning by grounding generation in external knowledge. However, most existing RAG and GraphRAG…

信息检索 · 计算机科学 2026-04-14 Dongzhe Fan , Zheyi Xue , Siyuan Liu , Qiaoyu Tan

Recommender agents built on Large Language Models offer a promising paradigm for recommendation. However, existing recommender agents typically suffer from a disconnect between intermediate reasoning and final ranking feedback, and are…

信息检索 · 计算机科学 2026-03-24 Tianyi Li , Zixuan Wang , Guidong Lei , Xiaodong Li , Hui Li

Automatic heuristic design (AHD) has emerged as a promising paradigm for solving NP-hard combinatorial optimization problems (COPs). Recent works show that large language models (LLMs), when integrated into well-designed frameworks (i.e.,…

人工智能 · 计算机科学 2026-05-12 Haoze Lv , Ning Lu , Ziang Zhou , Shengcai Liu

Intrusion Detection and Prevention Systems (IDS/IPS) in large enterprises can generate hundreds of thousands of alerts per hour, overwhelming analysts with logs requiring rapidly evolving expertise. Conventional machine-learning detectors…

密码学与安全 · 计算机科学 2026-02-10 Francesco Blefari , Cristian Cosentino , Francesco Aurelio Pironti , Angelo Furfaro , Fabrizio Marozzo

This paper introduces Agentic-AI Healthcare, a privacy-aware, multilingual, and explainable research prototype developed as a single-investigator project. The system leverages the emerging Model Context Protocol (MCP) to orchestrate…

密码学与安全 · 计算机科学 2025-10-06 Mohammed A. Shehab

Conventional Retrieval Augmented Generation (RAG) approaches are common in text-based applications. However, they struggle with structured, interconnected datasets like knowledge graphs, where understanding underlying relationships is…

信息检索 · 计算机科学 2025-07-15 Savini Kashmira , Jayanaka L. Dantanarayana , Krisztián Flautner , Lingjia Tang , Jason Mars

AI agents could accelerate scientific discovery by automating hypothesis formation, experiment design, coding, execution, and analysis, yet existing benchmarks probe narrow skills in simplified settings. To address this gap, we introduce…

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…

定量方法 · 定量生物学 2025-10-07 Satrio Pambudi , Filippo Menolascina

Multi-hop question answering (QA) requires models to retrieve and reason over multiple pieces of evidence. While Retrieval-Augmented Generation (RAG) has made progress in this area, existing methods often suffer from two key limitations:…

计算与语言 · 计算机科学 2025-04-01 Yuelyu Ji , Rui Meng , Zhuochun Li , Daqing He