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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…

Computation and Language · Computer Science 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…

Artificial Intelligence · Computer Science 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…

Information Retrieval · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Robotics · Computer Science 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…

Information Retrieval · Computer Science 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,…

Computation and Language · Computer Science 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…

Artificial Intelligence · Computer Science 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…

Information Retrieval · Computer Science 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…

Information Retrieval · Computer Science 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.,…

Artificial Intelligence · Computer Science 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…

Cryptography and Security · Computer Science 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…

Cryptography and Security · Computer Science 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…

Information Retrieval · Computer Science 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…

Quantitative Methods · Quantitative Biology 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:…

Computation and Language · Computer Science 2025-04-01 Yuelyu Ji , Rui Meng , Zhuochun Li , Daqing He