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Retrieval-Augmented Generation (RAG) has recently emerged as a method to extend beyond the pre-trained knowledge of Large Language Models by augmenting the original prompt with relevant passages or documents retrieved by an Information…

Retrieval-Augmented Generation (RAG) merges retrieval methods with deep learning advancements to address the static limitations of large language models (LLMs) by enabling the dynamic integration of up-to-date external information. This…

信息检索 · 计算机科学 2026-05-19 Yizheng Huang , Jimmy Huang

Generative Adversarial Networks (GANs) are powerful models able to synthesize data samples closely resembling the distribution of real data, yet the diversity of those generated samples is limited due to the so-called mode collapse…

计算机视觉与模式识别 · 计算机科学 2023-06-26 Jan Dubiński , Kamil Deja , Sandro Wenzel , Przemysław Rokita , Tomasz Trzciński

Recent studies emphasize the crucial role of data augmentation in enhancing the performance of object detection models. However,existing methodologies often struggle to effectively harmonize dataset diversity with semantic coordination.To…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Sen Nie , Zhuo Wang , Xinxin Wang , Kun He

Similarity judgments provide a well-established method for accessing mental representations, with applications in psychology, neuroscience and machine learning. However, collecting similarity judgments can be prohibitively expensive for…

机器学习 · 计算机科学 2022-02-11 Raja Marjieh , Ilia Sucholutsky , Theodore R. Sumers , Nori Jacoby , Thomas L. Griffiths

Deep generative modeling has led to new and state of the art approaches for enforcing structural priors in a variety of inverse problems. In contrast to priors given by sparsity, deep models can provide direct low-dimensional…

最优化与控制 · 数学 2018-12-12 Wen Huang , Paul Hand , Reinhard Heckel , Vladislav Voroninski

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…

计算与语言 · 计算机科学 2021-02-10 David Thulke , Nico Daheim , Christian Dugast , Hermann Ney

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…

信息检索 · 计算机科学 2025-11-14 Zakaria El Kassimi , Fares Fourati , Mohamed-Slim Alouini

Recently, the personalization of Large Language Models (LLMs) to generate content that aligns with individual user preferences has garnered widespread attention. Personalized Retrieval-Augmented Generation (RAG), which retrieves relevant…

信息检索 · 计算机科学 2025-04-09 Teng Shi , Jun Xu , Xiao Zhang , Xiaoxue Zang , Kai Zheng , Yang Song , Han Li

Query routing for retrieval-augmented generation aims to assign an input query to the most suitable search engine. Existing works rely heavily on supervised datasets that require extensive manual annotation, resulting in high costs and…

信息检索 · 计算机科学 2025-01-15 Feiteng Mu , Liwen Zhang , Yong Jiang , Wenjie Li , Zhen Zhang , Pengjun Xie , Fei Huang

Context information around words helps in determining their actual meaning, for example "networks" used in contexts of artificial neural networks or biological neuron networks. Generative topic models infer topic-word distributions, taking…

信息检索 · 计算机科学 2018-08-14 Pankaj Gupta , Florian Buettner , Hinrich Schütze

Speech enhancement in hearing aids remains a difficult task in nonstationary acoustic environments, mainly because current signal processing algorithms rely on fixed, manually tuned parameters that cannot adapt in situ to different users or…

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…

数字图书馆 · 计算机科学 2025-12-16 Anthony Mudet , Souhail Bakkali

Generative query suggestion using large language models offers a powerful way to enhance conversational systems, but aligning outputs with nuanced user preferences remains a critical challenge. To address this, we introduce a multi-stage…

计算与语言 · 计算机科学 2025-12-16 Junhao Yin , Haolin Wang , Peng Bao , Ju Xu , Yongliang Wang

Generative retrieval introduces a groundbreaking paradigm to document retrieval by directly generating the identifier of a pertinent document in response to a specific query. This paradigm has demonstrated considerable benefits and…

信息检索 · 计算机科学 2024-10-28 Mingming Li , Huimu Wang , Zuxu Chen , Guangtao Nie , Yiming Qiu , Guoyu Tang , Lin Liu , Jingwei Zhuo

Modern recommender systems perform large-scale retrieval by first embedding queries and item candidates in the same unified space, followed by approximate nearest neighbor search to select top candidates given a query embedding. In this…

With the rapid evolution of large language models, retrieval enhanced generation technology has been widely used due to its ability to integrate external knowledge to improve output accuracy. However, the performance of the system is highly…

机器学习 · 计算机科学 2025-11-26 Ruoxin Zhang , Zhizhao Wen , Chao Wang , Chenchen Tang , Puyang Xu , Yifan Jiang

Retrieval-Augmented Generation (RAG) is a core approach for enhancing Large Language Models (LLMs), where the effectiveness of the retriever largely determines the overall response quality of RAG systems. Retrievers encompass a multitude of…

信息检索 · 计算机科学 2025-09-30 Zou Yuheng , Wang Yiran , Tian Yuzhu , Zhu Min , Huang Yanhua

In book search, relevant book information should be returned in response to a query. Books contain complex, multi-faceted information such as metadata, outlines, and main text, where the outline provides hierarchical information between…

信息检索 · 计算机科学 2025-01-22 Yubao Tang , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Shihao Liu , Shuaiqing Wang , Dawei Yin , Xueqi Cheng

Data augmentation has been shown to effectively improve the performance of multimodal machine learning models. This paper introduces a generative model for data augmentation by leveraging the correlations among multiple modalities.…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zixu Wang , Yishu Miao , Lucia Specia