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Graph neural networks frequently encounter significant performance degradation when confronted with structural noise or non-homophilous topologies. To address these systemic vulnerabilities, we present AdvSynGNN, a comprehensive…

机器学习 · 计算机科学 2026-04-14 Rong Fu , Muge Qi , Chunlei Meng , Shuo Yin , Kun Liu , Zhaolu Kang , Simon Fong

Continual Graph Learning (CGL) enables models to incrementally learn from streaming graph-structured data without forgetting previously acquired knowledge. Experience replay is a common solution that reuses a subset of past samples during…

机器学习 · 计算机科学 2026-03-31 Qiao Yuan , Sheng-Uei Guan , Pin Ni , Tianlun Luo , Ka Lok Man , Prudence Wong , Victor Chang

MeanFlow (MF) has recently been established as a framework for one-step generative modeling. However, its ``fastforward'' nature introduces key challenges in both the training objective and the guidance mechanism. First, the original MF's…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Zhengyang Geng , Yiyang Lu , Zongze Wu , Eli Shechtman , J. Zico Kolter , Kaiming He

Event temporal graphs have been shown as convenient and effective representations of complex temporal relations between events in text. Recent studies, which employ pre-trained language models to auto-regressively generate linearised graphs…

计算与语言 · 计算机科学 2024-04-03 Xingwei Tan , Yuxiang Zhou , Gabriele Pergola , Yulan He

We report on a general and automatic data-driven background distribution shape estimation method using neural autoregressive flows (NAF), which is one of the deep generative learning methods. Data-driven background estimation is…

高能物理 - 唯象学 · 物理学 2020-08-11 Suyong Choi , Jaehoon Lim , Hayoung Oh

Recent advancements in graph diffusion models (GDMs) have enabled the synthesis of realistic network structures, yet ensuring fairness in the generated data remains a critical challenge. Existing solutions attempt to mitigate bias by…

Due to the irregular nature of connections in most graph datasets, partitioning graph analysis algorithms across multiple computational nodes that do not share a common memory inevitably leads to large amounts of interconnect traffic.…

分布式、并行与集群计算 · 计算机科学 2020-01-22 Nina Engelhardt , Hayden K. -H. So

The ever-designed Graph Neural Networks, though opening a promising path for the modeling of the graph-structure data, unfortunately introduce two daunting obstacles to their deployment on devices. (I) Most of existing GNNs are shallow, due…

机器学习 · 计算机科学 2024-05-14 Shilong Wang , Hao Wu , Yifan Duan , Guibin Zhang , Guohao Li , Yuxuan Liang , Shirui Pan , Kun Wang , Yang Wang

Graph Neural Networks (GNNs) extend basic Neural Networks (NNs) by using graph structures based on the relational inductive bias (homophily assumption). While GNNs have been commonly believed to outperform NNs in real-world tasks, recent…

机器学习 · 计算机科学 2022-10-17 Sitao Luan , Chenqing Hua , Qincheng Lu , Jiaqi Zhu , Mingde Zhao , Shuyuan Zhang , Xiao-Wen Chang , Doina Precup

Polynomial graph filters have been widely used as guiding principles in the design of Graph Neural Networks (GNNs). Recently, the adaptive learning of the polynomial graph filters has demonstrated promising performance for modeling graph…

机器学习 · 计算机科学 2023-07-18 Wendi Yu , Zhichao Hou , Xiaorui Liu

Graph-based accelerators have been widely adopted in symbolic data processing applications such as genomics, cybersecurity, and artificial intelligence. However, these systems often suffer from excessive memory usage and inefficiencies…

机器学习 · 计算机科学 2026-05-12 Tiffany Yu , Rye Stahle-Smith , Darssan Eswaramoorthi , Rasha Karakchi

Proposing an effective and flexible matrix to represent a graph is a fundamental challenge that has been explored from multiple perspectives, e.g., filtering in Graph Fourier Transforms. In this work, we develop a novel and general…

机器学习 · 计算机科学 2023-05-11 Mingqi Yang , Wenjie Feng , Yanming Shen , Bryan Hooi

Classifier-free guidance (CFG) has become a widely adopted and practical approach for enhancing generation quality and improving condition alignment. Recent studies have explored guidance mechanisms for unconditional generation, yet these…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Chaoyang Wang , Tianmeng Yang , Jingdong Wang , Yunhai Tong

Autoregressive models (ARMs) currently hold state-of-the-art performance in likelihood-based modeling of image and audio data. Generally, neural network based ARMs are designed to allow fast inference, but sampling from these models is…

机器学习 · 计算机科学 2020-07-09 Auke Wiggers , Emiel Hoogeboom

Autoregressive (AR) models have emerged as powerful tools for image generation by modeling images as sequences of discrete tokens. While Classifier-Free Guidance (CFG) has been adopted to improve conditional generation, its application in…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Dongli Xu , Aleksei Tiulpin , Matthew B. Blaschko

Accurate and real-time radio map (RM) generation is crucial for next-generation wireless systems, yet diffusion-based approaches often suffer from large model sizes, slow iterative denoising, and high inference latency, which hinder…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Haozhe Jia , Wenshuo Chen , Xiucheng Wang , Nan Cheng , Hongbo Zhang , Kuimou Yu , Songning Lai , Nanjian Jia , Bowen Tian , Hongru Xiao , Yutao Yue

Generative Adversarial Networks (GANs) have been studied in text generation to tackle the exposure bias problem. Despite their remarkable development, they adopt autoregressive structures so suffering from high latency in both training and…

计算与语言 · 计算机科学 2024-10-03 Da Ren , Yi Cai , Qing Li

This work introduces NetDiff, an expressive graph denoising diffusion probabilistic architecture that generates wireless ad hoc network link topologies. Such networks, with directional antennas, can achieve unmatched performance when the…

社会与信息网络 · 计算机科学 2024-10-14 Félix Marcoccia , Cédric Adjih , Paul Mühlethaler

Diffusion models are proficient at generating high-quality images. They are however effective only when operating at the resolution used during training. Inference at a scaled resolution leads to repetitive patterns and structural…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Haosen Yang , Adrian Bulat , Isma Hadji , Hai X. Pham , Xiatian Zhu , Georgios Tzimiropoulos , Brais Martinez

We introduce Autoregressive Diffusion Models (ARDMs), a model class encompassing and generalizing order-agnostic autoregressive models (Uria et al., 2014) and absorbing discrete diffusion (Austin et al., 2021), which we show are special…

机器学习 · 计算机科学 2022-02-03 Emiel Hoogeboom , Alexey A. Gritsenko , Jasmijn Bastings , Ben Poole , Rianne van den Berg , Tim Salimans