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Related papers: MaFeRw: Query Rewriting with Multi-Aspect Feedback…

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Rerankers play a pivotal role in refining retrieval results for Retrieval-Augmented Generation. However, current reranking models are typically optimized on static human annotated relevance labels in isolation, decoupled from the downstream…

Computation and Language · Computer Science 2026-04-03 Yuhang Wu , Xiangqing Shen , Fanfan Wang , Cangqi Zhou , Zhen Wu , Xinyu Dai , Rui Xia

Large pre-trained language models have been shown to store factual knowledge in their parameters, and achieve state-of-the-art results when fine-tuned on downstream NLP tasks. However, their ability to access and precisely manipulate…

Retrieval-augmented generation (RAG) systems combine large language models (LLMs) with external knowledge retrieval, making them highly effective for knowledge-intensive tasks. A crucial but often under-explored component of these systems…

Computation and Language · Computer Science 2025-05-19 Jiashuo Sun , Xianrui Zhong , Sizhe Zhou , Jiawei Han

Retrieval-augmented generation (RAG) is a popular technique for using large language models (LLMs) to build customer-support, question-answering solutions. In this paper, we share our team's practical experience building and maintaining…

Information Retrieval · Computer Science 2024-10-18 Sarah Packowski , Inge Halilovic , Jenifer Schlotfeldt , Trish Smith

Infineon has identified a need for engineers, account managers, and customers to rapidly obtain product information. This problem is traditionally addressed with retrieval-augmented generation (RAG) chatbots, but in this study, I evaluated…

Information Retrieval · Computer Science 2024-03-12 Zackary Rackauckas

Retrieval-Augmented Generation (RAG) aims to enhance large language models (LLMs) to generate more accurate and reliable answers with the help of the retrieved context from external knowledge sources, thereby reducing the incidence of…

Computation and Language · Computer Science 2024-10-17 Jintao Liu , Ruixue Ding , Linhao Zhang , Pengjun Xie , Fie Huang

With the rapid development of large-scale language models, Retrieval-Augmented Generation (RAG) has been widely adopted. However, existing RAG paradigms are inevitably influenced by erroneous retrieval information, thereby reducing the…

Information Retrieval · Computer Science 2024-05-30 Ridong Wu , Shuhong Chen , Xiangbiao Su , Yuankai Zhu , Yifei Liao , Jianming Wu

Retrieval-augmented generation (RAG) improves knowledge-intensive question answering by incorporating external evidence. However, existing RAG methods still suffer from hallucinations and subtle reasoning errors. Recent studies introduce…

Computation and Language · Computer Science 2026-05-29 Wenhan Xiao , Ziwei Zhang , Chuanyue Yu , Xingcheng Fu , Qingyun Sun , Runhua Xu , Jianxin Li

Large language models (LLMs) can face factual limitations when responding to time-sensitive queries about recent events that arise after their knowledge thresholds in the training corpus. Existing search-augmented approaches fall into two…

Information Retrieval · Computer Science 2025-06-11 Wentao Shi , Yiqing Shen

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

Computation and Language · Computer Science 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

Retriever-augmented generation (RAG) has become a widely adopted approach for enhancing the factual accuracy of large language models (LLMs). While current benchmarks evaluate the performance of RAG methods from various perspectives, they…

Information Retrieval · Computer Science 2025-04-08 Kepu Zhang , Zhongxiang Sun , Weijie Yu , Xiaoxue Zang , Kai Zheng , Yang Song , Han Li , Jun Xu

Reward-guided text generation (RGTG) has emerged as a viable alternative to offline reinforcement learning from human feedback (RLHF). RGTG methods can align baseline language models to human preferences without further training like in…

Machine Learning · Computer Science 2025-07-08 Ahmad Rashid , Ruotian Wu , Rongqi Fan , Hongliang Li , Agustinus Kristiadi , Pascal Poupart

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge to generate a response within a context with improved accuracy and reduced hallucinations. However, multi-modal RAG systems face…

Machine Learning · Computer Science 2025-01-09 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Recent question generation (QG) approaches often utilize the sequence-to-sequence framework (Seq2Seq) to optimize the log-likelihood of ground-truth questions using teacher forcing. However, this training objective is inconsistent with…

Computation and Language · Computer Science 2020-11-03 Yuxi Xie , Liangming Pan , Dongzhe Wang , Min-Yen Kan , Yansong Feng

Large language models (LLMs) have the remarkable ability to solve new tasks with just a few examples, but they need access to the right tools. Retrieval Augmented Generation (RAG) addresses this problem by retrieving a list of relevant…

Information Retrieval · Computer Science 2023-12-12 Raviteja Anantha , Tharun Bethi , Danil Vodianik , Srinivas Chappidi

Query rewriting is pivotal for enhancing dense retrieval, yet current methods demand large-scale supervised data or suffer from inefficient reinforcement learning (RL) exploration. In this work, we first establish that guiding Large…

Artificial Intelligence · Computer Science 2025-07-29 Teng Wang , Hailei Gong , Changwang Zhang , Jun Wang

Aligning large language models with human objectives is paramount, yet common approaches including RLHF suffer from unstable and resource-intensive training. In response to this challenge, we introduce ARGS, Alignment as Reward-Guided…

Computation and Language · Computer Science 2024-02-06 Maxim Khanov , Jirayu Burapacheep , Yixuan Li

Performing automatic reformulations of a user's query is a popular paradigm used in information retrieval (IR) for improving effectiveness -- as exemplified by the pseudo-relevance feedback approaches, which expand the query in order to…

Information Retrieval · Computer Science 2023-08-02 Xiao Wang , Sean MacAvaney , Craig Macdonald , Iadh Ounis

Retrieval-augmented generation (RAG) techniques have proven to be effective in integrating up-to-date information, mitigating hallucinations, and enhancing response quality, particularly in specialized domains. While many RAG approaches…

A common way to extend the memory of large language models (LLMs) is by retrieval augmented generation (RAG), which inserts text retrieved from a larger memory into an LLM's context window. However, the context window is typically limited…

Computation and Language · Computer Science 2025-02-14 Marc Pickett , Jeremy Hartman , Ayan Kumar Bhowmick , Raquib-ul Alam , Aditya Vempaty
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