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This paper presents our findings of the Multilingual Shared Task on Hallucinations and Related Observable Overgeneration Mistakes, MU-SHROOM, which focuses on identifying hallucinations and related overgeneration errors in large language…

Despite their remarkable capabilities, Large Language Models (LLMs) are prone to generate responses that contradict verifiable facts, i.e., unfaithful hallucination content. Existing efforts generally focus on optimizing model parameters or…

计算与语言 · 计算机科学 2025-01-28 Dingkang Yang , Dongling Xiao , Jinjie Wei , Mingcheng Li , Zhaoyu Chen , Ke Li , Lihua Zhang

Federated learning (FL), aimed at leveraging vast distributed datasets, confronts a crucial challenge: the heterogeneity of data across different silos. While previous studies have explored discrete representations to enhance model…

机器学习 · 计算机科学 2025-06-06 Tianyi Zhang , Yu Cao , Dianbo Liu

Although various methods have been proposed for multi-label classification, most approaches still follow the feature learning mechanism of the single-label (multi-class) classification, namely, learning a shared image feature to classify…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Jian Jia , Fei He , Naiyu Gao , Xiaotang Chen , Kaiqi Huang

The methods of extracting image features are the key to many image processing tasks. At present, the most popular method is the deep neural network which can automatically extract robust features through end-to-end training instead of…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Xiang Ma , Liangzhe Chen , Zhaohong Deng , Peng Xu , Qisheng Yan , Kup-Sze Choi , Shitong Wang

Large language models (LLMs) often generate responses that deviate from user input or training data, a phenomenon known as "hallucination." These hallucinations undermine user trust and hinder the adoption of generative AI systems.…

计算与语言 · 计算机科学 2025-04-25 Yejin Bang , Ziwei Ji , Alan Schelten , Anthony Hartshorn , Tara Fowler , Cheng Zhang , Nicola Cancedda , Pascale Fung

Diffusion Large Language Models (dLLMs) have emerged as a promising alternative to autoregressive (AR) LLMs for text generation, with the potential to decode multiple tokens in a single iteration. However, none of the existing open-source…

机器学习 · 计算机科学 2025-08-14 Xu Wang , Chenkai Xu , Yijie Jin , Jiachun Jin , Hao Zhang , Zhijie Deng

Although multimodal large language models (MLLMs) exhibit remarkable reasoning capabilities on complex multimodal understanding tasks, they still suffer from the notorious hallucination issue: generating outputs misaligned with obvious…

机器学习 · 计算机科学 2025-11-04 Wei Chen , Xin Yan , Bin Wen , Fan Yang , Tingting Gao , Di Zhang , Long Chen

While the problem of hallucinations in neural machine translation has long been recognized, so far the progress on its alleviation is very little. Indeed, recently it turned out that without artificially encouraging models to hallucinate,…

计算与语言 · 计算机科学 2022-12-21 David Dale , Elena Voita , Loïc Barrault , Marta R. Costa-jussà

This study addresses the problem of hallucinated span detection in the outputs of large language models. It has received less attention than output-level hallucination detection despite its practical importance. Prior work has shown that…

计算与语言 · 计算机科学 2025-09-16 Yuya Ogasa , Yuki Arase

Large Language Models (LLMs) excel in fluency but risk producing inaccurate content, called "hallucinations." This paper outlines a standardized process for categorizing fine-grained hallucination types and proposes an innovative…

计算与语言 · 计算机科学 2024-07-02 Kunquan Deng , Zeyu Huang , Chen Li , Chenghua Lin , Min Gao , Wenge Rong

Environmental perception systems are crucial for high-precision mapping and autonomous navigation, with LiDAR serving as a core sensor providing accurate 3D point cloud data. Efficiently processing unstructured point clouds while extracting…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Chuang Chen , Yi Lin , Bo Wang , Jing Hu , Xi Wu , Wenyi Ge

Large language models frequently exhibit hallucinations: fluent and confident outputs that are factually incorrect or unsupported by the input context. While recent hallucination detection methods have explored various features derived from…

计算与语言 · 计算机科学 2026-04-14 Jakub Binkowski , Kamil Adamczewski , Tomasz Kajdanowicz

One of the key challenges of collaborative machine learning, without data sharing, is multimodal data heterogeneity in real-world settings. While Federated Learning (FL) enables model training across multiple clients, existing frameworks,…

机器学习 · 计算机科学 2025-10-16 Alejandro Guerra-Manzanares , Omar El-Herraoui , Michail Maniatakos , Farah E. Shamout

Large Vision-Language Models (LVLMs) are an extension of Large Language Models (LLMs) that facilitate processing both image and text inputs, expanding AI capabilities. However, LVLMs struggle with object hallucinations due to their reliance…

计算与语言 · 计算机科学 2024-08-12 Avshalom Manevich , Reut Tsarfaty

Federated Learning (FL) enables decentralized model training across multiple clients while optionally preserving data privacy. However, communication efficiency remains a critical bottleneck, particularly for large-scale models. In this…

机器学习 · 计算机科学 2025-11-11 Arnaud Descours , Léonard Deroose , Jan Ramon

Large Language Models (LLMs) have become increasingly important in natural language processing, enabling advanced data analytics through natural language queries. However, these models often generate "hallucinations"-inaccurate or…

计算与语言 · 计算机科学 2024-10-29 Mikhail Rumiantsau , Aliaksei Vertsel , Ilya Hrytsuk , Isaiah Ballah

Deepfake detection is crucial for curbing the harm it causes to society. However, current Deepfake detection methods fail to thoroughly explore artifact information across different domains due to insufficient intrinsic interactions. These…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Xueqi Qiu , Xingyu Miao , Fan Wan , Haoran Duan , Tejal Shah , Varun Ojhab , Yang Longa , Rajiv Ranjan

Large Vision-Language Models (LVLMs) have achieved impressive progress in multi-modal understanding and generation. However, they still tend to produce hallucinated content that is inconsistent with the visual input, which limits their…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Zongsheng Cao , Yangfan He , Anran Liu , Jun Xie , Feng Chen , Zepeng Wang

Federated Learning (FL) has garnered significant attention in manufacturing for its robust model development and privacy-preserving capabilities. This paper contributes to research focused on the robustness of FL models in object detection,…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Vinit Hegiste , Snehal Walunj , Jibinraj Antony , Tatjana Legler , Martin Ruskowski