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Related papers: QuOTE: Question-Oriented Text Embeddings

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Retrieval-Augmented Generation (RAG) struggles on long, structured financial filings where relevant evidence is sparse and cross-referenced. This paper presents a systematic investigation of advanced metadata-driven Retrieval-Augmented…

Information Retrieval · Computer Science 2025-10-29 Michail Dadopoulos , Anestis Ladas , Stratos Moschidis , Ioannis Negkakis

Query embedding (QE) -- which aims to embed entities and first-order logical (FOL) queries in low-dimensional spaces -- has shown great power in multi-hop reasoning over knowledge graphs. Recently, embedding entities and queries with…

Artificial Intelligence · Computer Science 2021-12-23 Zhanqiu Zhang , Jie Wang , Jiajun Chen , Shuiwang Ji , Feng Wu

Retrieval-augmented generation (RAG) systems have been widely adopted in contemporary large language models (LLMs) due to their ability to improve generation quality while reducing the required input context length. In this work, we focus…

Computation and Language · Computer Science 2026-04-07 Tianyi Zhang , Andreas Marfurt

Multi-hop question answering (QA) necessitates multi-step reasoning and retrieval across interconnected subjects, attributes, and relations. Existing retrieval-augmented generation (RAG) methods struggle to capture these structural…

Computation and Language · Computer Science 2026-02-19 Jimeng Shi , Wei Hu , Runchu Tian , Bowen Jin , Wonbin Kweon , SeongKu Kang , Yunfan Kang , Dingqi Ye , Sizhe Zhou , Shaowen Wang , Jiawei Han

We study question answering in the domain of radio regulations, a legally sensitive and high-stakes area. We propose a telecom-specific Retrieval-Augmented Generation (RAG) pipeline and introduce, to our knowledge, the first multiple-choice…

Information Retrieval · Computer Science 2025-11-14 Zakaria El Kassimi , Fares Fourati , Mohamed-Slim Alouini

Since many real-world documents combine textual and tabular data, robust Retrieval Augmented Generation (RAG) systems are essential for effectively accessing and analyzing such content to support complex reasoning tasks. Therefore, this…

Information Retrieval · Computer Science 2026-01-19 Jan Strich , Enes Kutay Isgorur , Maximilian Trescher , Chris Biemann , Martin Semmann

Retrieval-Augmented Generation (RAG) grounds language models in external evidence, but multi-hop question answering remains difficult because iterative pipelines must control what to retrieve next and when the available evidence is…

Information Retrieval · Computer Science 2026-04-28 Minghan Li , Junjie Zou , Xinxuan Lv , Chao Zhang , Guodong Zhou

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

Transformer-based models have advanced the field of question answering, but multi-hop reasoning, where answers require combining evidence across multiple passages, remains difficult. This paper presents a comprehensive evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Zichen Zhang , Kunlong Zhang , Hongwei Ruan , Yiming Luo

Retrieval-augmented generation (RAG) faces challenges related to factual correctness, source attribution, and response completeness. The LiveRAG Challenge hosted at SIGIR'25 aims to advance RAG research using a fixed corpus and a shared,…

Information Retrieval · Computer Science 2025-06-30 Weronika Łajewska , Ivica Kostric , Gabriel Iturra-Bocaz , Mariam Arustashvili , Krisztian Balog

Answering complex logical queries on incomplete knowledge graphs is a challenging task, and has been widely studied. Embedding-based methods require training on complex queries, and cannot generalize well to out-of-distribution query…

Machine Learning · Computer Science 2023-06-08 Yushi Bai , Xin Lv , Juanzi Li , Lei Hou

Retrieval-Augmented Generation (RAG) has been proposed to mitigate hallucinations in large language models (LLMs), where generated outputs may be factually incorrect. However, existing RAG approaches predominantly rely on vector similarity…

Information Retrieval · Computer Science 2026-04-28 Miao Xie , Xiao Zhang , Yi Li , Chunli Lv

We propose a natural language prompt-based retrieval augmented generation (Prompt-RAG), a novel approach to enhance the performance of generative large language models (LLMs) in niche domains. Conventional RAG methods mostly require vector…

Computation and Language · Computer Science 2024-01-23 Bongsu Kang , Jundong Kim , Tae-Rim Yun , Chang-Eop Kim

Retrieval-Augmented Generation systems depend on retrieving semantically relevant document chunks to support accurate, grounded outputs from large language models. In structured and repetitive corpora such as regulatory filings, chunk…

Information Retrieval · Computer Science 2026-01-21 Raquib Bin Yousuf , Shengzhe Xu , Mandar Sharma , Andrew Neeser , Chris Latimer , Naren Ramakrishnan

Retrieval-augmented generation (RAG) is widely utilized to incorporate external knowledge into large language models, thereby enhancing factuality and reducing hallucinations in question-answering (QA) tasks. A standard RAG pipeline…

Computation and Language · Computer Science 2025-10-08 Yiqun Chen , Lingyong Yan , Weiwei Sun , Xinyu Ma , Yi Zhang , Shuaiqiang Wang , Dawei Yin , Yiming Yang , Jiaxin Mao

Retrieval Augmented Generation (RAG) is a common method for integrating external knowledge into pretrained Large Language Models (LLMs) to enhance accuracy and relevancy in question answering (QA) tasks. However, prompt engineering and…

Computation and Language · Computer Science 2024-10-18 Isaac Chung , Phat Vo , Arman C. Kizilkale , Aaron Reite

\Ac{RAG} has emerged as a crucial technique for enhancing large models with real-time and domain-specific knowledge. While numerous improvements and open-source tools have been proposed to refine the \ac{RAG} framework for accuracy,…

Information Retrieval · Computer Science 2025-02-20 Yixing Fan , Qiang Yan , Wenshan Wang , Jiafeng Guo , Ruqing Zhang , Xueqi Cheng

Retrieval Augmented Generation (RAG) works as a backbone for interacting with an enterprise's own data via Conversational Question Answering (ConvQA). In a RAG system, a retriever fetches passages from a collection in response to a…

Computation and Language · Computer Science 2024-12-24 Rishiraj Saha Roy , Joel Schlotthauer , Chris Hinze , Andreas Foltyn , Luzian Hahn , Fabian Kuech

In the rapidly changing world of smart technology, searching for documents has become more challenging due to the rise of advanced language models. These models sometimes face difficulties, like providing inaccurate information, commonly…

Information Retrieval · Computer Science 2025-03-20 Julien Pierre Edmond Ghali , Kosuke Shima , Koichi Moriyama , Atsuko Mutoh , Nobuhiro Inuzuka

Large language models (LLMs) have demonstrated strong capabilities in medical question answering; however, purely parametric models often suffer from knowledge gaps and limited factual grounding. Retrieval-augmented generation (RAG)…

Computation and Language · Computer Science 2026-04-09 Nusrat Sultana , Abdullah Muhammad Moosa , Kazi Afzalur Rahman , Sajal Chandra Banik