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This paper addresses emerging system-level challenges in heterogeneous retrieval-augmented generation (RAG) serving, where complex multi-stage workflows and diverse request patterns complicate efficient execution. We present HedraRAG, a…

数据库 · 计算机科学 2025-07-15 Zhengding Hu , Vibha Murthy , Zaifeng Pan , Wanlu Li , Xiaoyi Fang , Yufei Ding , Yuke Wang

Large language models (LLMs) are increasingly adopted for automating survey paper generation \cite{wang2406autosurvey, liang2025surveyx, yan2025surveyforge,su2025benchmarking,wen2025interactivesurvey}. Existing approaches typically extract…

人工智能 · 计算机科学 2026-02-10 Minh-Anh Nguye , Minh-Duc Nguyen , Ha Lan N. T. , Kieu Hai Dang , Nguyen Tien Dong , Dung D. Le

Various data mining tasks have been proposed to study Community Question Answering (CQA) platforms like Stack Overflow. The relatedness between some of these tasks provides useful learning signals to each other via Multi-Task Learning…

计算与语言 · 计算机科学 2021-10-06 Zizheng Lin , Haowen Ke , Ngo-Yin Wong , Jiaxin Bai , Yangqiu Song , Huan Zhao , Junpeng Ye

Knowledge Graphs (KGs) enable applications in various domains such as semantic search, recommendation systems, and natural language processing. KGs are often incomplete, missing entities and relations, an issue addressed by Knowledge Graph…

计算与语言 · 计算机科学 2025-08-22 Haji Gul , Abul Ghani Naim , Ajaz Ahmad Bhat

LLM-generated reasoning graphs, referred to as mission-specific graphs (MSGs), are increasingly used for video anomaly detection (VAD) and recognition (VAR). However, they are typically treated as fixed despite being generic and…

机器学习 · 计算机科学 2026-02-16 Sanggeon Yun , Raheeb Hassan , Ryozo Masukawa , Nathaniel D. Bastian , Mohsen Imani

Advancements in Large Language Models (LLMs) are revolutionizing the development of autonomous agentic systems by enabling dynamic, context-aware task decomposition and automated tool selection. These sophisticated systems possess…

人工智能 · 计算机科学 2024-10-31 Adrian Garret Gabriel , Alaa Alameer Ahmad , Shankar Kumar Jeyakumar

Existing frameworks for LLM-based agent architectures describe systems from a single perspective: industry guides (Anthropic, Google, LangChain) focus on execution topology -- how data flows -- while cognitive science surveys focus on…

人工智能 · 计算机科学 2026-05-26 Jia Huang , Joey Tianyi Zhou

Large language models (LLMs) have shown impressive performance in general programming tasks. However, in Machine Learning Engineering (MLE) scenarios such as AutoML and Kaggle competitions, achieving high performance depends heavily on…

人工智能 · 计算机科学 2025-10-10 Shangheng Du , Xiangchao Yan , Dengyang Jiang , Jiakang Yuan , Yusong Hu , Xin Li , Liang He , Bo Zhang , Lei Bai

We present HySemRAG, a framework that combines Extract, Transform, Load (ETL) pipelines with Retrieval-Augmented Generation (RAG) to automate large-scale literature synthesis and identify methodological research gaps. The system addresses…

信息检索 · 计算机科学 2025-08-11 Alejandro Godinez

The evaluation and improvement of medical large language models (LLMs) are critical for their real-world deployment, particularly in ensuring accuracy, safety, and ethical alignment. Existing frameworks inadequately dissect domain-specific…

计算与语言 · 计算机科学 2025-03-11 Luyi Jiang , Jiayuan Chen , Lu Lu , Xinwei Peng , Lihao Liu , Junjun He , Jie Xu

Optimizing LLM-based workflows is typically formulated as a global search, where candidate workflows are evaluated based on a scalar metric. This paradigm, however, suffers from a critical flaw: information collapse. By reducing rich,…

人工智能 · 计算机科学 2025-10-14 Jusheng Zhang , Kaitong Cai , Qinglin Zeng , Ningyuan Liu , Stephen Fan , Ziliang Chen , Keze Wang

Fault cause identification in automated manufacturing lines is challenging due to the system's complexity, frequent reconfigurations, and the limited reusability of existing Failure Mode and Effects Analysis (FMEA) knowledge. Although FMEA…

信息检索 · 计算机科学 2025-10-20 Sho Okazaki , Kohei Kaminishi , Takuma Fujiu , Yusheng Wang , Jun Ota

Although multi-tier vehicular Metaverse promises to transform vehicles into essential nodes -- within an interconnected digital ecosystem -- using efficient resource allocation and seamless vehicular twin (VT) migration, this can hardly be…

网络与互联网体系结构 · 计算机科学 2025-02-27 Nahom Abishu Hayla , A. Mohammed Seid , Aiman Erbad , Tilahun M. Getu , Ala Al-Fuqaha , Mohsen Guizani

Recent advances in Hierarchical Multi-label Classification (HMC), particularly neurosymbolic-based approaches, have demonstrated improved consistency and accuracy by enforcing constraints on a neural model during training. However, such…

机器学习 · 计算机科学 2025-12-29 Joshua Shay Kricheli , Khoa Vo , Aniruddha Datta , Spencer Ozgur , Paulo Shakarian

Large Language Models (LLMs), such as GPT-4, have demonstrated impressive mathematical reasoning capabilities, achieving near-perfect performance on benchmarks like GSM8K. However, their application in personalized education remains limited…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Yi-Fan Zhang , Hang Li , Dingjie Song , Lichao Sun , Tianlong Xu , Qingsong Wen

Rapid advancements in artificial intelligence (AI) have enabled robots to performcomplex tasks autonomously with increasing precision. However, multi-robot systems (MRSs) face challenges in generalization, heterogeneity, and safety,…

机器人学 · 计算机科学 2025-05-05 Zhaoxing Li , Wenbo Wu , Yue Wang , Yanran Xu , William Hunt , Sebastian Stein

Reinforcement learning (RL) techniques, while often powerful, can suffer from slow learning speeds, particularly in high dimensional spaces. Decomposition of tasks into a hierarchical structure holds the potential to significantly speed up…

人工智能 · 计算机科学 2018-11-21 Behzad Ghazanfari , Fatemeh Afghah , Matthew E. Taylor

Constructing domain-specific knowledge graphs from unstructured text remains challenging due to heterogeneous entity mentions, long-tail relation distributions, and the absence of standardized schemas. We present LEC-KG, a bidirectional…

计算与语言 · 计算机科学 2026-03-02 Yikai Zeng , Yingchao Piao , Changhua Pei , Jianhui Li

We propose a scalable and cost-efficient framework for deploying Graph-based Retrieval-Augmented Generation (GraphRAG) in enterprise environments. While GraphRAG has shown promise for multi- hop reasoning and structured retrieval, its…

人工智能 · 计算机科学 2025-12-19 Congmin Min , Sahil Bansal , Joyce Pan , Abbas Keshavarzi , Rhea Mathew , Amar Viswanathan Kannan

Large Language Models have recently emerged as a promising paradigm for automated heuristic design for NP-hard combinatorial optimization problems. Despite this progress, existing LLM-based methods typically rely on monolithic workflows…

人工智能 · 计算机科学 2026-05-11 Yuping Yan , Jirui Han , Fei Ming , Yuanshuai Li , Yaochu Jin