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The increasing number of academic papers poses significant challenges for researchers to efficiently acquire key details. While retrieval augmented generation (RAG) shows great promise in large language model (LLM) based automated question…

Computation and Language · Computer Science 2025-06-03 Ruisheng Cao , Hanchong Zhang , Tiancheng Huang , Zhangyi Kang , Yuxin Zhang , Liangtai Sun , Hanqi Li , Yuxun Miao , Shuai Fan , Lu Chen , Kai Yu

Iterative retrieval-augmented generation (iRAG) models offer an effective approach for multi-hop question answering (QA). However, their retrieval process faces two key challenges: (1) it can be disrupted by irrelevant documents or…

Computation and Language · Computer Science 2025-02-26 Jinyuan Fang , Zaiqiao Meng , Craig Macdonald

Retrieval-Augmented Generation (RAG) has emerged as a way to complement the in-context knowledge of Large Language Models (LLMs) by integrating external documents. However, real-world applications demand not only accuracy but also…

Computation and Language · Computer Science 2025-07-31 Kazuki Hayashi , Hidetaka Kamigaito , Shinya Kouda , Taro Watanabe

Open-domain question answering (QA) aims to find the answer to a question from a large collection of documents.Though many models for single-document machine comprehension have achieved strong performance, there is still much room for…

Computation and Language · Computer Science 2020-06-11 Mantong Zhou , Zhouxing Shi , Minlie Huang , Xiaoyan Zhu

This paper presents an advancement in Question-Answering (QA) systems using a Retrieval Augmented Generation (RAG) framework to enhance information extraction from PDF files. Recognizing the richness and diversity of data within…

Computation and Language · Computer Science 2026-04-08 Thi Thu Uyen Hoang , Meenakshi Rajendran , Kun Zhang , Yuhan Wu , Viet Anh Nguyen

The effectiveness of Retrieval-Augmented Generation (RAG) is highly dependent on how documents are chunked, that is, segmented into smaller units for indexing and retrieval. Yet, commonly used "one-size-fits-all" approaches often fail to…

Computation and Language · Computer Science 2026-03-27 Paulo Roberto de Moura Júnior , Jean Lelong , Annabelle Blangero

Retrieval-augmented generation (RAG) enables large language models (LLMs) to dynamically access external information, which is powerful for answering questions over previously unseen documents. Nonetheless, they struggle with high-level…

Artificial Intelligence · Computer Science 2026-04-21 Chi-Hsiang Hsiao , Yi-Cheng Wang , Tzung-Sheng Lin , Yi-Ren Yeh , Chu-Song Chen

The rapid evolution of Retrieval-Augmented Generation (RAG) toward multimodal, high-stakes enterprise applications has outpaced the development of domain specific evaluation benchmarks. Existing datasets often rely on general-domain corpora…

Artificial Intelligence · Computer Science 2026-01-23 Chandan Kumar Sahu , Premith Kumar Chilukuri , Matthew Hetrich

The volume of scientific literature is growing exponentially, leading to underutilized discoveries, duplicated efforts, and limited cross-disciplinary collaboration. Retrieval Augmented Generation (RAG) offers a way to assist scientists by…

Vision-language retrieval-augmented generation (RAG) has become an effective approach for tackling Knowledge-Based Visual Question Answering (KB-VQA), which requires external knowledge beyond the visual content presented in images. The…

Information Retrieval · Computer Science 2025-09-15 Wei Yang , Jingjing Fu , Rui Wang , Jinyu Wang , Lei Song , Jiang Bian

Current general-purpose large language models (LLMs) commonly exhibit knowledge hallucination and insufficient domain-specific adaptability in domain-specific tasks, limiting their effectiveness in specialized question answering scenarios.…

Information Retrieval · Computer Science 2025-09-16 Mengzheng Yang , Yanfei Ren , David Osei Opoku , Ruochang Li , Peng Ren , Chunxiao Xing

In the chemical and process industries, Process Flow Diagrams (PFDs) and Piping and Instrumentation Diagrams (P&IDs) are critical for design, construction, and maintenance. Recent advancements in Generative AI, such as Large Multimodal…

Computation and Language · Computer Science 2024-09-04 Sagar Srinivas Sakhinana , Geethan Sannidhi , Venkataramana Runkana

Multi-modal retrieval-augmented Question Answering (MRAQA), integrating text and images, has gained significant attention in information retrieval (IR) and natural language processing (NLP). Traditional ranking methods rely on small…

Computation and Language · Computer Science 2025-01-24 Yang Bai , Christan Earl Grant , Daisy Zhe Wang

Despite initial successes and a variety of architectures, retrieval-augmented generation systems still struggle to reliably retrieve and connect the multi-step evidence required for complicated reasoning tasks. Most of the standard RAG…

Artificial Intelligence · Computer Science 2026-05-26 Jovan Pavlović , Miklós Krész , László Hajdu

Retrieval-Augmented Generation (RAG) systems for financial document question answering typically follow a chunk-based paradigm: documents are split into fragments, embedded into vector space, and retrieved via similarity search. While…

Computation and Language · Computer Science 2026-04-22 Zhiyuan Cheng , Longying Lai , Yue Liu

Textbook question answering (TQA) is a complex task, requiring the interpretation of complex multimodal context. Although recent advances have improved overall performance, they often encounter difficulties in educational settings where…

Information Retrieval · Computer Science 2025-05-21 Hessa Alawwad , Usman Naseem , Areej Alhothali , Ali Alkhathlan , Amani Jamal

Document parsing is a fundamental task in multimodal understanding, supporting a wide range of downstream applications such as information extraction and intelligent document analysis. Benefiting from strong semantic modeling and robust…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Wenhui Liao , Hongliang Li , Pengyu Xie , Xinyu Cai , Yufan Shen , Yi Xin , Qi Qin , Shenglong Ye , Tianbin Li , Ming Hu , Junjun He , Yihao Liu , Wenhai Wang , Min Dou , Bin Fu , Botian Shi , Yu Qiao , Lianwen Jin

Multi-hop Question Answering over Knowledge Graph~(KGQA) aims to find the answer entities that are multiple hops away from the topic entities mentioned in a natural language question on a large-scale Knowledge Graph (KG). To cope with the…

Computation and Language · Computer Science 2023-03-02 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Ji-Rong Wen

Retrieval-Augmented Generation (RAG) based on Large Language Models (LLMs) is a powerful solution to understand and query the industry's closed-source documents. However, basic RAG often struggles with complex QA tasks in legal and…

Information Retrieval · Computer Science 2025-09-08 Huifeng Lin , Gang Su , Jintao Liang , You Wu , Rui Zhao , Ziyue Li

Retrieval-Augmented Generation (RAG) has revolutionized natural language processing by dynamically integrating external knowledge into Large Language Models (LLMs), addressing their limitation of static training datasets. Recent…

Computation and Language · Computer Science 2024-09-05 Krish Goel , Mahek Chandak
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