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Large language models (LLMs) often struggle with knowledge-intensive tasks due to hallucinations and outdated parametric knowledge. While Retrieval-Augmented Generation (RAG) addresses this by integrating external corpora, its effectiveness…

计算与语言 · 计算机科学 2026-02-04 Su Dong , Qinggang Zhang , Yilin Xiao , Shengyuan Chen , Chuang Zhou , Xiao Huang

Graph-structured data plays a vital role in numerous domains, such as social networks, citation networks, commonsense reasoning graphs and knowledge graphs. While graph neural networks have been employed for graph processing, recent…

计算与语言 · 计算机科学 2026-05-19 Wooyoung Kim , Byungyoon Park , Wooju Kim

Low-altitude Gaussian splatting (LAGS) facilitates 3D scene reconstruction by aggregating aerial images from distributed drones. However, as LAGS prioritizes maximizing reconstruction quality over communication throughput, existing…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Yikun Wang , Yujie Wan , Wei Zuo , Shuai Wang , Yik-Chung Wu , Chengzhong Xu , Huseyin Arslan

In recent years, attention mechanisms have significantly enhanced the performance of object detection by focusing on key feature information. However, prevalent methods still encounter difficulties in effectively balancing local and global…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Yifan Shao

Effectively representing medical images, especially retinal images, presents a considerable challenge due to variations in appearance, size, and contextual information of pathological signs called lesions. Precise discrimination of these…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Teja Krishna Cherukuri , Nagur Shareef Shaik , Dong Hye Ye

Transformer-based models have made remarkable progress in image restoration (IR) tasks. However, the quadratic complexity of self-attention in Transformer hinders its applicability to high-resolution images. Existing methods mitigate this…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Yuang Ai , Huaibo Huang , Tao Wu , Qihang Fan , Ran He

Multi-view learning has progressed rapidly in recent years. Although many previous studies assume that each instance appears in all views, it is common in real-world applications for instances to be missing from some views, resulting in…

机器学习 · 计算机科学 2022-08-30 Pengfei Zhu , Xinjie Yao , Yu Wang , Meng Cao , Binyuan Hui , Shuai Zhao , Qinghua Hu

Unsupervised graph representation learning is critical to a wide range of applications where labels may be scarce or expensive to procure. Contrastive learning (CL) is an increasingly popular paradigm for such settings and the…

机器学习 · 计算机科学 2022-03-15 Puja Trivedi , Ekdeep Singh Lubana , Yujun Yan , Yaoqing Yang , Danai Koutra

Graph clustering is essential in graph analysis for revealing structural patterns and node communities. Despite recent advances in self-supervised contrastive learning that have improved clustering via structural and attribute signals,…

机器学习 · 计算机科学 2026-05-28 Lei Zhang , Fubo Sun , Haipeng Yang , Zhong Guan , Likang Wu

Commonsense knowledge is crucial to many natural language processing tasks. Existing works usually incorporate graph knowledge with conventional graph neural networks (GNNs), resulting in a sequential pipeline that compartmentalizes the…

计算与语言 · 计算机科学 2024-09-24 Hongbo Zhang , Chen Tang , Tyler Loakman , Bohao Yang , Stefan Goetze , Chenghua Lin

Recent advances in pixel-level tasks (e.g. segmentation) illustrate the benefit of of long-range interactions between aggregated region-based representations that can enhance local features. However, such aggregated representations, often…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Mir Rayat Imtiaz Hossain , Leonid Sigal , James J. Little

Graph Attention Network (GAT) is one of the most popular Graph Neural Network (GNN) architecture, which employs the attention mechanism to learn edge weights and has demonstrated promising performance in various applications. However, since…

机器学习 · 计算机科学 2024-03-05 Qincheng Lu , Jiaqi Zhu , Sitao Luan , Xiao-Wen Chang

Recently, context reasoning using image regions beyond local convolution has shown great potential for scene parsing. In this work, we explore how to incorporate the linguistic knowledge to promote context reasoning over image regions by…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Tianyi Wu , Yu Lu , Yu Zhu , Chuang Zhang , Ming Wu , Zhanyu Ma , Guodong Guo

Large Language Models (LLMs) have shown strong capabilities in solving problems across domains, including graph-related tasks traditionally addressed by symbolic or algorithmic methods. In this work, we present a framework for structured…

人工智能 · 计算机科学 2025-09-03 Govind Waghmare , Sumedh BG , Sonia Gupta , Srikanta Bedathur

Diffusion models has emerged as a powerful framework for tasks like image controllable generation and dense prediction. However, existing models often struggle to capture underlying semantics (e.g., edges, textures, shapes) and effectively…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Zhong Ji , Weilong Cao , Yan Zhang , Yanwei Pang , Jungong Han , Xuelong Li

We present lambda layers -- an alternative framework to self-attention -- for capturing long-range interactions between an input and structured contextual information (e.g. a pixel surrounded by other pixels). Lambda layers capture such…

计算机视觉与模式识别 · 计算机科学 2021-02-18 Irwan Bello

Neural-network-based approaches recently emerged in the field of data compression and have already led to significant progress in image compression, especially in achieving a higher compression ratio. In the lossless image compression…

图像与视频处理 · 电气工程与系统科学 2022-10-10 Yuan Lan , Liang Qin , Zhaoyi Sun , Yang Xiang , Jie Sun

Transformer models have become foundational across a wide range of scientific and engineering domains due to their strong empirical performance. A key capability underlying their success is in-context learning (ICL): when presented with a…

机器学习 · 计算机科学 2026-04-29 Zhen Qin , Jiachen Jiang , Zhihui Zhu

The computational burden of attention in long-context language models has motivated two largely independent lines of work: sparse attention mechanisms that reduce complexity by attending to selected tokens, and gated attention variants that…

人工智能 · 计算机科学 2026-01-23 Alfred Shen , Aaron Shen

Graph Neural Networks (GNNs) have demonstrated significant success in learning from graph-structured data but often struggle on heterophilous graphs, where connected nodes differ in features or class labels. This limitation arises from…

机器学习 · 计算机科学 2025-09-30 Zhongtian Sun , Anoushka Harit , Alexandra Cristea , Christl A. Donnelly , Pietro Liò