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Retrieval-augmented generation (RAG) empowers large language models (LLMs) to utilize external knowledge sources. The increasing capacity of LLMs to process longer input sequences opens up avenues for providing more retrieved information,…

Computation and Language · Computer Science 2024-10-10 Bowen Jin , Jinsung Yoon , Jiawei Han , Sercan O. Arik

Causality detection and mining are important tasks in information retrieval due to their enormous use in information extraction, and knowledge graph construction. To solve these tasks, in existing literature there exist several solutions --…

Computation and Language · Computer Science 2025-06-02 Thushara Manjari Naduvilakandy , Hyeju Jang , Mohammad Al Hasan

Retrieval Augmented Generation (RAG) has greatly improved the performance of Large Language Model (LLM) responses by grounding generation with context from existing documents. These systems work well when documents are clearly relevant to a…

Computation and Language · Computer Science 2024-05-29 Jialin Dong , Bahare Fatemi , Bryan Perozzi , Lin F. Yang , Anton Tsitsulin

Large language model (LLM) agents deployed for multi-step tasks frequently fail in predictable ways: attempting actions with unmet preconditions, issuing redundant commands, or mishandling environment constraints. While retrieval-augmented…

Artificial Intelligence · Computer Science 2025-10-03 Humaid Ibrahim , Nikolai Rozanov , Marek Rei

Retrieval-Augmented Generation (RAG), which integrates external knowledge into Large Language Models (LLMs), has proven effective in enabling LLMs to produce more accurate and reliable responses. However, it remains a significant challenge…

Computation and Language · Computer Science 2025-02-11 Yan Weng , Fengbin Zhu , Tong Ye , Haoyan Liu , Fuli Feng , Tat-Seng Chua

Retrieval-Augmented Generation (RAG) systems offer a powerful approach to enhancing large language model (LLM) outputs by incorporating fact-checked, contextually relevant information. However, fairness and reliability concerns persist, as…

Human-Computer Interaction · Computer Science 2025-04-24 Xuyang Zhu , Sejoon Chang , Andrew Kuik

Processing long contexts presents a significant challenge for large language models (LLMs). While recent advancements allow LLMs to handle much longer contexts than before (e.g., 32K or 128K tokens), it is computationally expensive and can…

Computation and Language · Computer Science 2025-04-10 Hongjin Qian , Zheng Liu , Peitian Zhang , Kelong Mao , Defu Lian , Zhicheng Dou , Tiejun Huang

While Retrieval-Augmented Generation (RAG) systems enhance Large Language Models (LLMs) by incorporating external knowledge, they still face persistent challenges in retrieval inefficiency and the inability of LLMs to filter out irrelevant…

Computation and Language · Computer Science 2025-02-13 Ruobing Yao , Yifei Zhang , Shuang Song , Yuhua Liu , Neng Gao , Chenyang Tu

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm to enhance large language models (LLMs) by conditioning generation on external evidence retrieved at inference time. While RAG addresses critical limitations of…

Information Retrieval · Computer Science 2025-06-03 Chaitanya Sharma

Retrieval Augmented Generation (RAG) is emerging as a powerful technique to enhance the capabilities of Generative AI models by reducing hallucination. Thus, the increasing prominence of RAG alongside Large Language Models (LLMs) has…

Computation and Language · Computer Science 2025-11-06 Ranul Dayarathne , Uvini Ranaweera , Upeksha Ganegoda

Single-step retrieval-augmented generation (RAG) provides an efficient way to incorporate external information for simple question answering tasks but struggles with complex questions. Agentic RAG extends this paradigm by replacing…

Computation and Language · Computer Science 2026-05-08 Yijia Zheng , Marcel Worring

Interest in generative Electrocardiogram-Language Models (ELMs) is growing, as they can produce textual responses conditioned on ECG signals and textual queries. Unlike traditional classifiers that output label probabilities, ELMs are more…

Computation and Language · Computer Science 2025-10-02 Xiaoyu Song , William Han , Tony Chen , Chaojing Duan , Michael A. Rosenberg , Emerson Liu , Ding Zhao

Retrieval-Augmented Generation (RAG) has significantly improved the performance of large language models (LLMs) on knowledge-intensive tasks in recent years. However, since retrieval systems may return irrelevant content, incorporating such…

Computation and Language · Computer Science 2025-09-26 Tomoaki Isoda

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by integrating external knowledge, where the LLM's ability to generate responses based on the combination of a given query and retrieved documents is crucial.…

Computation and Language · Computer Science 2025-08-01 Zhehao Tan , Yihan Jiao , Dan Yang , Lei Liu , Jie Feng , Duolin Sun , Yue Shen , Jian Wang , Peng Wei , Jinjie Gu

Large Language Models~(LLMs) are prone to hallucinations, and Retrieval-Augmented Generation (RAG) helps mitigate this, but at a high computational cost while risking misinformation. Adaptive retrieval aims to retrieve only when necessary,…

Graph-based retrieval-augmented generation (RAG) enables large language models (LLMs) to ground responses with structured external knowledge from up-to-date knowledge graphs (KGs) and reduce hallucinations. However, LLMs often rely on a…

Computation and Language · Computer Science 2025-07-01 Deyu Zou , Yongqiang Chen , Mufei Li , Siqi Miao , Chenxi Liu , Bo Han , James Cheng , Pan Li

Retrieval-Augmented Generation (RAG) mitigates hallucination in large language models (LLMs) by incorporating external knowledge during generation. However, the effectiveness of RAG depends not only on the design of the retriever and the…

Computation and Language · Computer Science 2026-04-15 Xudong Wang , Chaoning Zhang , Qigan Sun , Zhenzhen Huang , Chang Lu , Sheng Zheng , Zeyu Ma , Caiyan Qin , Yang Yang , Hengtao Shen

Retrieval-augmented generation (RAG) is a key technique for leveraging external knowledge and reducing hallucinations in large language models (LLMs). However, RAG still struggles to fully prevent hallucinated responses. To address this, it…

Computation and Language · Computer Science 2025-02-14 Xuzhao Geng , Haozhao Wang , Jun Wang , Wei Liu , Ruixuan Li

Retrieval-Augmented Generation (RAG) improves Large Language Models (LLMs) by using external knowledge, but it struggles with precise entity information retrieval. In this paper, we proposed MES-RAG framework, which enhances entity-specific…

Computation and Language · Computer Science 2025-03-19 Pingyu Wu , Daiheng Gao , Jing Tang , Huimin Chen , Wenbo Zhou , Weiming Zhang , Nenghai Yu

Large language models like ChatGPT are increasingly used in classrooms, but they often provide outdated or fabricated information that can mislead students. Retrieval Augmented Generation (RAG) improves reliability of LLMs by grounding…

Artificial Intelligence · Computer Science 2025-09-10 Amay Jain , Liu Cui , Si Chen