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Knowledge-based dialogue systems with internet retrieval have recently attracted considerable attention from researchers. The dialogue systems overcome a major limitation of traditional knowledge dialogue systems, where the timeliness of…

Information Retrieval · Computer Science 2024-01-17 Zhongtian Hu , Yangqi Chen , Meng Zhao , Ronghan Li , Lifang Wang

Retrieval-Augmented Generation (RAG) has become a core paradigm in document question answering tasks. However, existing methods have limitations when dealing with multimodal documents: one category of methods relies on layout analysis and…

Computation and Language · Computer Science 2026-03-09 Wang Chen , Wenhan Yu , Guanqiang Qi , Weikang Li , Yang Li , Lei Sha , Deguo Xia , Jizhou Huang

We propose Generation-Augmented Retrieval (GAR) for answering open-domain questions, which augments a query through text generation of heuristically discovered relevant contexts without external resources as supervision. We demonstrate that…

Computation and Language · Computer Science 2021-08-10 Yuning Mao , Pengcheng He , Xiaodong Liu , Yelong Shen , Jianfeng Gao , Jiawei Han , Weizhu Chen

This paper summarizes our work on the first track of the ninth Dialog System Technology Challenge (DSTC 9), "Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access". The goal of the task is to generate…

Computation and Language · Computer Science 2021-02-10 David Thulke , Nico Daheim , Christian Dugast , Hermann Ney

Large-scale digitization initiatives have unlocked massive collections of historical newspapers, yet effective computational access remains hindered by OCR corruption, multilingual orthographic variation, and temporal language drift. We…

Digital Libraries · Computer Science 2025-12-16 Anthony Mudet , Souhail Bakkali

Multimodal retrieval methods have limitations in handling complex, compositional queries that require reasoning about the visual content of both the query and the retrieved entities. On the other hand, Large Multimodal Models (LMMs) can…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Maximilian Jaritz , Matthieu Guillaumin , Sabine Sternig , Loris Bazzani

The fashion domain encompasses a variety of real-world multimodal tasks, including multimodal retrieval and multimodal generation. The rapid advancements in artificial intelligence generated content, particularly in technologies like large…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xiangyu Zhao , Yuehan Zhang , Wenlong Zhang , Xiao-Ming Wu

Generative Retrieval (GR) is an emerging paradigm in information retrieval that leverages generative models to directly map queries to relevant document identifiers (DocIDs) without the need for traditional query processing or document…

Information Retrieval · Computer Science 2024-06-05 Tzu-Lin Kuo , Tzu-Wei Chiu , Tzung-Sheng Lin , Sheng-Yang Wu , Chao-Wei Huang , Yun-Nung Chen

Unified multimodal models often struggle with complex synthesis tasks that demand deep reasoning, and typically treat text-to-image generation and image editing as isolated capabilities rather than interconnected reasoning steps. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Dianyi Wang , Chaofan Ma , Feng Han , Size Wu , Wei Song , Yibin Wang , Zhixiong Zhang , Tianhang Wang , Siyuan Wang , Zhongyu Wei , Jiaqi Wang

A Comparison of Independent and Joint Fine-tuning Strategies for Retrieval-Augmented Generation Download PDF Neal Gregory Lawton, Alfy Samuel, Anoop Kumar, Daben Liu Published: 20 Aug 2025, Retrieval augmented generation (RAG) is a popular…

Computation and Language · Computer Science 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

Despite the significant progress of large language models (LLMs) in various tasks, they often produce factual errors due to their limited internal knowledge. Retrieval-Augmented Generation (RAG), which enhances LLMs with external knowledge…

Computation and Language · Computer Science 2024-10-10 Yuanjie Lyu , Zihan Niu , Zheyong Xie , Chao Zhang , Tong Xu , Yang Wang , Enhong Chen

Retrieval-Augmented Generation (RAG) combines the language understanding and reasoning power of large language models (LLMs) with external retrieval to enable domain-grounded responses. Effectively adapting RAG systems to domain-specific…

Computation and Language · Computer Science 2026-04-14 Chris Xing Tian , Weihao Xie , Zhen Chen , Zhengyuan Yi , Hui Liu , Haoliang Li , Shiqi Wang , Siwei Ma

Generative retrieval constitutes an innovative approach in information retrieval, leveraging generative language models (LM) to generate a ranked list of document identifiers (docid) for a given query. It simplifies the retrieval pipeline…

Information Retrieval · Computer Science 2025-02-13 Penghao Lu , Xin Dong , Yuansheng Zhou , Lei Cheng , Chuan Yuan , Linjian Mo

Retrieval augmented generation mitigates limitations of large language models in factual consistency and knowledge updating by introducing external knowledge. However, practical applications still suffer from semantic misalignment between…

Computation and Language · Computer Science 2026-03-06 Xin Chen , Saili Uday Gadgil , Jiarong Qiu

Multi-modal multi-hop question answering involves answering a question by reasoning over multiple input sources from different modalities. Existing methods often retrieve evidences separately and then use a language model to generate an…

Computation and Language · Computer Science 2023-08-08 Qian Yang , Qian Chen , Wen Wang , Baotian Hu , Min Zhang

Existing methods for vision-and-language learning typically require designing task-specific architectures and objectives for each task. For example, a multi-label answer classifier for visual question answering, a region scorer for…

Computation and Language · Computer Science 2021-05-25 Jaemin Cho , Jie Lei , Hao Tan , Mohit Bansal

In recent years, significant progress has been made in both image generation and generated image detection. Despite their rapid, yet largely independent, development, these two fields have evolved distinct architectural paradigms: the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Yanran Zhang , Wenzhao Zheng , Yifei Li , Bingyao Yu , Yu Zheng , Lei Chen , Jiwen Lu , Jie Zhou

Generative retrieval (GR) reformulates information retrieval (IR) by framing it as the generation of document identifiers (docids), thereby enabling end-to-end optimization and seamless integration with generative language models (LMs).…

Information Retrieval · Computer Science 2026-04-28 Weiwei Sun , Keyi Kong , Xinyu Ma , Shuaiqiang Wang , Dawei Yin , Maarten de Rijke , Zhaochun Ren , Yiming Yang

Retrieval-augmented generation (RAG) effectively addresses issues of static knowledge and hallucination in large language models. Existing studies mostly focus on question scenarios with clear user intents and concise answers. However, it…

Computation and Language · Computer Science 2025-02-18 Shuting Wang , Xin Yu , Mang Wang , Weipeng Chen , Yutao Zhu , Zhicheng Dou

With the information explosion on the Web, search and recommendation are foundational infrastructures to satisfying users' information needs. As the two sides of the same coin, both revolve around the same core research problem, matching…

Information Retrieval · Computer Science 2024-04-29 Yongqi Li , Xinyu Lin , Wenjie Wang , Fuli Feng , Liang Pang , Wenjie Li , Liqiang Nie , Xiangnan He , Tat-Seng Chua