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Retrieval Augmented Generation (RAG) complements the knowledge of Large Language Models (LLMs) by leveraging external information to enhance response accuracy for queries. This approach is widely applied in several fields by taking its…

This study is the first to investigate LLM comprehension capabilities over long-context (LC), clinically relevant medical Question Answering (QA) beyond MCQA. Our comprehensive approach considers a range of settings based on content…

计算与语言 · 计算机科学 2026-01-16 Feras AlMannaa , Talia Tseriotou , Jenny Chim , Maria Liakata

Large-scale language models (LLMs) have achieved remarkable success across various language tasks but suffer from hallucinations and temporal misalignment. To mitigate these shortcomings, Retrieval-augmented generation (RAG) has been…

计算与语言 · 计算机科学 2024-04-30 Zhongzhen Huang , Kui Xue , Yongqi Fan , Linjie Mu , Ruoyu Liu , Tong Ruan , Shaoting Zhang , Xiaofan Zhang

Applying existing question answering (QA) systems to specialized domains like law and finance presents challenges that necessitate domain expertise. Although large language models (LLMs) have shown impressive language comprehension and…

计算与语言 · 计算机科学 2023-10-24 Vaibhav Mavi , Abulhair Saparov , Chen Zhao

Retrieval-augmented generation (RAG) has received much attention for Open-domain question-answering (ODQA) tasks as a means to compensate for the parametric knowledge of large language models (LLMs). While previous approaches focused on…

计算与语言 · 计算机科学 2024-09-30 Minsang Kim , Cheoneum Park , Seungjun Baek

Retrieval augmented generation (RAG) has become the standard in long context question answering (QA) systems. However, typical implementations of RAG rely on a rather naive retrieval mechanism, in which texts whose embeddings are most…

计算与语言 · 计算机科学 2024-10-08 Keyush Shah , Abhishek Goyal , Isaac Wasserman

Retrieval augmentation is critical when Language Models (LMs) exploit non-parametric knowledge related to the query through external knowledge bases before reasoning. The retrieved information is incorporated into LMs as context alongside…

信息检索 · 计算机科学 2024-11-21 Mingzhu Wang , Yuzhe Zhang , Qihang Zhao , Junyi Yang , Hong Zhang

Large Language Models (LLMs) excel in data synthesis but can be inaccurate in domain-specific tasks, which retrieval-augmented generation (RAG) systems address by leveraging user-provided data. However, RAGs require optimization in both…

计算与语言 · 计算机科学 2024-11-05 Kazi Ahmed Asif Fuad , Lizhong Chen

The context window of large language models (LLMs) has been extended significantly in recent years. However, while the context length that the LLM can process has grown, the capability of the model to accurately reason over that context…

计算与语言 · 计算机科学 2024-10-07 Huayang Li , Pat Verga , Priyanka Sen , Bowen Yang , Vijay Viswanathan , Patrick Lewis , Taro Watanabe , Yixuan Su

Open-domain question answering (ODQA) has emerged as a pivotal research spotlight in information systems. Existing methods follow two main paradigms to collect evidence: (1) The \textit{retrieve-then-read} paradigm retrieves pertinent…

计算与语言 · 计算机科学 2024-03-11 Hongda Sun , Yuxuan Liu , Chengwei Wu , Haiyu Yan , Cheng Tai , Xin Gao , Shuo Shang , Rui Yan

Retrieval-augmented generation (RAG) is typically optimized for topical relevance, yet its success ultimately depends on whether retrieved passages are useful for a large language model (LLM) to generate correct and complete answers. We…

计算与语言 · 计算机科学 2026-01-28 Hengran Zhang , Keping Bi , Jiafeng Guo , Jiaming Zhang , Shuaiqiang Wang , Dawei Yin , Xueqi Cheng

Retrieval-Augmented Generation (RAG) aims to generate more reliable and accurate responses, by augmenting large language models (LLMs) with the external vast and dynamic knowledge. Most previous work focuses on using RAG for single-round…

人工智能 · 计算机科学 2024-03-28 Linhao Ye , Zhikai Lei , Jianghao Yin , Qin Chen , Jie Zhou , Liang He

Large Language Models (LLMs) generate responses to questions; however, their effectiveness is often hindered by sub-optimal quality of answers and occasional failures to provide accurate responses to questions. To address these challenges,…

计算与语言 · 计算机科学 2024-02-06 Liang Zhang , Katherine Jijo , Spurthi Setty , Eden Chung , Fatima Javid , Natan Vidra , Tommy Clifford

Overcoming the limited context limitations in early-generation LLMs, retrieval-augmented generation (RAG) has been a reliable solution for context-based answer generation in the past. Recently, the emergence of long-context LLMs allows the…

计算与语言 · 计算机科学 2024-09-04 Tan Yu , Anbang Xu , Rama Akkiraju

With the enhancement in the field of generative artificial intelligence (AI), contextual question answering has become extremely relevant. Attributing model generations to the input source document is essential to ensure trustworthiness and…

计算与语言 · 计算机科学 2024-05-29 Anirudh Phukan , Shwetha Somasundaram , Apoorv Saxena , Koustava Goswami , Balaji Vasan Srinivasan

Large Language Models (LLMs) are adept at generating responses based on information within their context. While this ability is useful for interacting with structured data like code files, another popular method, Retrieval-Augmented…

计算与语言 · 计算机科学 2025-10-22 Mihir Gupte , Paolo Giusto , Ramesh S

Retrieval-Augmented Language Modeling (RALM) methods, which condition a language model (LM) on relevant documents from a grounding corpus during generation, were shown to significantly improve language modeling performance. In addition,…

计算与语言 · 计算机科学 2023-08-02 Ori Ram , Yoav Levine , Itay Dalmedigos , Dor Muhlgay , Amnon Shashua , Kevin Leyton-Brown , Yoav Shoham

As Large Language Models (LLMs) become popular, there emerged an important trend of using multimodality to augment the LLMs' generation ability, which enables LLMs to better interact with the world. However, there lacks a unified perception…

Retrieval-Augmented Generation (RAG) has emerged as a prominent method for incorporating domain knowledge into Large Language Models (LLMs). While RAG enhances response relevance by incorporating retrieved domain knowledge in the context,…

计算与语言 · 计算机科学 2025-03-28 Kushagra Bhushan , Yatin Nandwani , Dinesh Khandelwal , Sonam Gupta , Gaurav Pandey , Dinesh Raghu , Sachindra Joshi

Retrieving documents and prepending them in-context at inference time improves performance of language model (LMs) on a wide range of tasks. However, these documents, often spanning hundreds of words, make inference substantially more…

计算与语言 · 计算机科学 2023-10-09 Fangyuan Xu , Weijia Shi , Eunsol Choi