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Incorporating specific knowledge into large language models via retrieval-augmented generation (RAG) is a widespread technique that fuels many of today's industry AI applications. A fundamental problem is to assess if the context retrieved…

Information Retrieval · Computer Science 2026-05-08 Florian Geissler , Francesco Carella , Laura Fieback , Jakob Spiegelberg

Generating high-quality answers consistently by providing contextual information embedded in the prompt passed to the Large Language Model (LLM) is dependent on the quality of information retrieval. As the corpus of contextual information…

Information Retrieval · Computer Science 2024-08-01 Sai Ganesh , Anupam Purwar , Gautam B

Despite superior performance on many computer vision tasks, deep convolution neural networks are well known to be compressed on devices that have resource constraints. Most existing network pruning methods require laborious human efforts…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Xiawu Zheng , Yuexiao Ma , Teng Xi , Gang Zhang , Errui Ding , Yuchao Li , Jie Chen , Yonghong Tian , Rongrong Ji

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) integrates external knowledge with Large Language Models (LLMs) to enhance factual correctness and mitigate hallucination. However, dense retrievers often become the bottleneck of RAG systems due to…

Computation and Language · Computer Science 2025-10-27 Yuan Li , Qi Luo , Xiaonan Li , Bufan Li , Qinyuan Cheng , Bo Wang , Yining Zheng , Yuxin Wang , Zhangyue Yin , Xipeng Qiu

Retrieval-Augmented Generation (RAG) systems have recently shown remarkable advancements by integrating retrieval mechanisms into language models, enhancing their ability to produce more accurate and contextually relevant responses.…

Computation and Language · Computer Science 2025-01-14 Siran Li , Linus Stenzel , Carsten Eickhoff , Seyed Ali Bahrainian

Large Language Models increasingly rely on self-explanations, such as chain of thought reasoning, to improve performance on multi step question answering. While these explanations enhance accuracy, they are often verbose and costly to…

Computation and Language · Computer Science 2026-02-17 Ali Zahedzadeh , Behnam Bahrak

Video multimodal fusion aims to integrate multimodal signals in videos, such as visual, audio and text, to make a complementary prediction with multiple modalities contents. However, unlike other image-text multimodal tasks, video has…

Computation and Language · Computer Science 2023-06-01 Shaoxiang Wu , Damai Dai , Ziwei Qin , Tianyu Liu , Binghuai Lin , Yunbo Cao , Zhifang Sui

This technical report details a novel approach to combining reasoning and retrieval augmented generation (RAG) within a single, lean language model architecture. While existing RAG systems typically rely on large-scale models and external…

Retrieval-Augmented Generation (RAG) has demonstrated strong effectiveness in knowledge-intensive tasks by grounding language generation in external evidence. Despite its success, many existing RAG systems are built based on a…

Computation and Language · Computer Science 2026-04-27 Lichang Song , Ting Long , Yi Chang

Retrieval-augmented generation (RAG) has emerged to address the knowledge-intensive visual question answering (VQA) task. Current methods mainly employ separate retrieval and generation modules to acquire external knowledge and generate…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Xinwei Long , Zhiyuan Ma , Ermo Hua , Kaiyan Zhang , Biqing Qi , Bowen Zhou

Retrieval-augmented generation improves the factual accuracy of Large Language Models (LLMs) by incorporating external context, but often suffers from irrelevant retrieved content that hinders effectiveness. Context compression addresses…

Computation and Language · Computer Science 2025-09-23 Lvzhou Luo , Yixuan Cao , Ping Luo

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge but incurs significant inference costs due to lengthy retrieved contexts. While context compression mitigates this issue, existing methods…

Computation and Language · Computer Science 2025-09-25 Shuyu Guo , Shuo Zhang , Zhaochun Ren

The performance of autoregressive models on natural language generation tasks has dramatically improved due to the adoption of deep, self-attentive architectures. However, these gains have come at the cost of hindering inference speed,…

Computation and Language · Computer Science 2020-10-30 Alexander Lin , Jeremy Wohlwend , Howard Chen , Tao Lei

Retrieval-augmented generation (RAG) faces challenges related to factual correctness, source attribution, and response completeness. To address them, we propose a modular pipeline for grounded response generation that operates on…

Computation and Language · Computer Science 2025-03-25 Weronika Łajewska , Krisztian Balog

Automated radiology report generation from 3D CT volumes often suffers from incomplete pathology coverage. We provide empirical evidence that this limitation stems from a representational bottleneck: contrastive 3D CT embeddings encode…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Renjie Liang , Yiling Ma , Yang Xing , Zhengkang Fan , Jinqian Pan , Chengkun Sun , Li Li , Kuang Gong , Jie Xu

We propose a novel information bottleneck (IB) method named Drop-Bottleneck, which discretely drops features that are irrelevant to the target variable. Drop-Bottleneck not only enjoys a simple and tractable compression objective but also…

Machine Learning · Computer Science 2021-03-24 Jaekyeom Kim , Minjung Kim , Dongyeon Woo , Gunhee Kim

Most existing retrieval-augmented language models (LMs) assume a naive dichotomy within a retrieved document set: query-relevance and irrelevance. Our work investigates a more challenging scenario in which even the "relevant" documents may…

Computation and Language · Computer Science 2024-06-11 Giwon Hong , Jeonghwan Kim , Junmo Kang , Sung-Hyon Myaeng , Joyce Jiyoung Whang

We define the relevant information in a signal $x\in X$ as being the information that this signal provides about another signal $y\in \Y$. Examples include the information that face images provide about the names of the people portrayed, or…

Data Analysis, Statistics and Probability · Physics 2007-05-23 Naftali Tishby , Fernando C. Pereira , William Bialek

The information bottleneck (IB) principle has been adopted to explain deep learning in terms of information compression and prediction, which are balanced by a trade-off hyperparameter. How to optimize the IB principle for better robustness…

Machine Learning · Computer Science 2021-03-04 Penglong Zhai , Shihua Zhang