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Large Language Models (LLMs) have shown remarkable capabilities across diverse tasks, yet they face inherent limitations such as constrained parametric knowledge and high retraining costs. Retrieval-Augmented Generation (RAG) augments the…

Information Retrieval · Computer Science 2025-08-26 Leqian Li , Dianxi Shi , Jialu Zhou , Xinyu Wei , Mingyue Yang , Songchang Jin , Shaowu Yang

Large language model agents are becoming increasingly capable at web-centric tasks such as information retrieval, complex reasoning. These emerging capabilities have given rise to surge research interests in developing LLM agent for…

Computation and Language · Computer Science 2026-04-02 Yu Li , Lehui Li , Lin Chen , Qingmin Liao , Fengli Xu , Yong Li

The vast amount of biomedical information available today presents a significant challenge for investigators seeking to digest, process, and understand these findings effectively. Large Language Models (LLMs) have emerged as powerful tools…

Computation and Language · Computer Science 2024-07-19 Alexander R. Pelletier , Joseph Ramirez , Irsyad Adam , Simha Sankar , Yu Yan , Ding Wang , Dylan Steinecke , Wei Wang , Peipei Ping

Despite the recent advancement in Retrieval-Augmented Generation (RAG) systems, most retrieval methodologies are often developed for factual retrieval, which assumes query and positive documents are semantically similar. In this paper, we…

Information Retrieval · Computer Science 2025-04-10 Luo Ji , Feixiang Guo , Teng Chen , Qingqing Gu , Xiaoyu Wang , Ningyuan Xi , Yihong Wang , Peng Yu , Yue Zhao , Hongyang Lei , Zhonglin Jiang , Yong Chen

Monitoring Machine Learning (ML) models in production environments is crucial, yet traditional approaches often yield verbose, low-interpretability outputs that hinder effective decision-making. We propose a cognitive architecture for ML…

Machine Learning · Computer Science 2025-06-12 Gusseppe Bravo-Rocca , Peini Liu , Jordi Guitart , Rodrigo M Carrillo-Larco , Ajay Dholakia , David Ellison

Relational databases (RDBs) have become the industry standard for storing massive and heterogeneous data. However, despite the widespread use of RDBs across various fields, the inherent structure of relational databases hinders their…

Databases · Computer Science 2025-08-13 Ning Li , Kounianhua Du , Han Zhang , Quan Gan , Minjie Wang , David Wipf , Weinan Zhang

Code reproduction is a cornerstone of scientific validity, yet it remains a formidable challenge in computer networking research due to the scarcity of open-source implementations and the complexity of heterogeneous system architectures.…

Networking and Internet Architecture · Computer Science 2026-02-17 Yining Jiang , Yunxin Xu , Wenyun Xu , Yufan Zhu , Tangtang He , Haiying Huang , Letian Zhu , Qingyu Song , Qiang Su , Lizhao You , Lu Tang , Wanjin Feng , Yuchao Zhang , Linghe Kong , Qiao Xiang , Jiwu Shu

While Retrieval-Augmented Generation (RAG) has proven effective for generating accurate, context-based responses based on existing knowledge bases, it presents several challenges including retrieval quality dependencies, integration…

Information Retrieval · Computer Science 2026-03-02 Shreyas Subramanian , Adewale Akinfaderin , Yanyan Zhang , Ishan Singh , Mani Khanuja , Sandeep Singh , Maira Ladeira Tanke

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by integrating external knowledge retrieved from a knowledge base. However, its effectiveness is fundamentally constrained by the reliability of both the retriever…

Computation and Language · Computer Science 2025-01-31 Yiteng Tu , Weihang Su , Yujia Zhou , Yiqun Liu , Qingyao Ai

Recent advancements in language models (LMs) have notably enhanced their ability to reason with tabular data, primarily through program-aided mechanisms that manipulate and analyze tables. However, these methods often require the entire…

Large Language Model (LLM)-based recommendation systems have demonstrated remarkable capabilities in understanding user preferences and generating personalized suggestions. However, existing approaches face critical challenges in…

Information Retrieval · Computer Science 2026-04-24 Sushant Mehta

Learning-based planners generate natural human-like driving behaviors by learning to reason about nuanced interactions from data, overcoming the rigid behaviors that arise from rule-based planners. Nonetheless, data-driven approaches often…

Robotics · Computer Science 2025-06-02 Wenhao Ding , Sushant Veer , Yuxiao Chen , Yulong Cao , Chaowei Xiao , Marco Pavone

Radiology report generation (RRG) aims to automatically produce diagnostic reports from medical images, with the potential to enhance clinical workflows and reduce radiologists' workload. While recent approaches leveraging multimodal large…

Artificial Intelligence · Computer Science 2025-05-16 Ziruo Yi , Ting Xiao , Mark V. Albert

Distributed databases are critical infrastructures for today's large-scale software systems, making effective failure management essential to ensure software availability. However, existing approaches often overlook the role distinctions…

Software Engineering · Computer Science 2025-04-10 Lingzhe Zhang , Yunpeng Zhai , Tong Jia , Xiaosong Huang , Chiming Duan , Ying Li

We present RAGentA, a multi-agent retrieval-augmented generation (RAG) framework for attributed question answering (QA) with large language models (LLMs). With the goal of trustworthy answer generation, RAGentA focuses on optimizing answer…

Information Retrieval · Computer Science 2025-09-03 Ines Besrour , Jingbo He , Tobias Schreieder , Michael Färber

Decision making demands intricate interplay between perception, memory, and reasoning to discern optimal policies. Conventional approaches to decision making face challenges related to low sample efficiency and poor generalization. In…

Artificial Intelligence · Computer Science 2024-05-30 Xiaoqian Liu , Xingzhou Lou , Jianbin Jiao , Junge Zhang

Feature generation involves creating new features from raw data to capture complex relationships among the original features, improving model robustness and machine learning performance. Current methods using reinforcement learning for…

Machine Learning · Computer Science 2025-05-20 Wanfu Gao , Zengyao Man , Hanlin Pan , Kunpeng Liu

Effective knowledge management is critical for preserving institutional expertise and improving the efficiency of workforce training in state transportation agencies. Traditional approaches, such as static documentation, classroom-based…

Computation and Language · Computer Science 2026-03-05 Divija Amaram , Lu Gao , Gowtham Reddy Gudla , Tejaswini Sanjay Katale

Tabular data is frequently captured in image form across a wide range of real-world scenarios such as financial reports, handwritten records, and document scans. These visual representations pose unique challenges for machine understanding,…

Artificial Intelligence · Computer Science 2026-02-10 Zhuoyan Xu , Haoyang Fang , Boran Han , Bonan Min , Bernie Wang , Cuixiong Hu , Shuai Zhang

The use of Large Language Models (LLMs) for querying relational data has given rise to relQuery, a workload pattern that applies templated LLM calls to structured tables. As relQuery services become more widely adopted in applications such…

Databases · Computer Science 2026-01-21 Xin Zhang , Shihong Gao , Yanyan Shen , Haoyang Li , Lei Chen