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Connection graphs (CGs) extend traditional graph models by coupling network topology with orthogonal transformations, enabling the representation of global geometric consistency. They play a key role in applications such as synchronization,…

机器学习 · 计算机科学 2025-10-14 Leonardo Di Nino , Gabriele D'Acunto , Sergio Barbarossa , Paolo Di Lorenzo

In recent years, the Transformer architecture has proven to be very successful in sequence processing, but its application to other data structures, such as graphs, has remained limited due to the difficulty of properly defining positions.…

机器学习 · 计算机科学 2021-10-28 Devin Kreuzer , Dominique Beaini , William L. Hamilton , Vincent Létourneau , Prudencio Tossou

In representation learning on graph-structured data, many popular graph neural networks (GNNs) fail to capture long-range dependencies, leading to performance degradation. Furthermore, this weakness is magnified when the concerned graph is…

机器学习 · 计算机科学 2024-03-07 Mengying Jiang , Guizhong Liu , Yuanchao Su , Xinliang Wu

Robotic manipulation tasks, such as object rearrangement, play a crucial role in enabling robots to interact with complex and arbitrary environments. Existing work focuses primarily on single-level rearrangement planning and, even if…

机器人学 · 计算机科学 2023-09-07 Manav Kulshrestha , Ahmed H. Qureshi

Semantic change detection (SCD) extends the binary change detection task to provide not only the change locations but also the detailed "from-to" categories in multi-temporal remote sensing data. Such detailed semantic insights into changes…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Zhengyi Xu , Haoran Wu , Wen Jiang , Jie Geng

In computer vision research, the process of automating architecture engineering, Neural Architecture Search (NAS), has gained substantial interest. In the past, NAS was hardly accessible to researchers without access to large-scale compute…

计算机视觉与模式识别 · 计算机科学 2020-08-27 David Friede , Jovita Lukasik , Heiner Stuckenschmidt , Margret Keuper

We present an embedding approach to treat local electron correlation effects in periodic environments. In a single, consistent framework, our plane-wave based scheme embeds a local high-level correlation calculation (here Coupled Cluster…

化学物理 · 物理学 2021-01-07 Tobias Schäfer , Florian Libisch , Georg Kresse , Andreas Grüneis

Embedding methods transform the knowledge graph into a continuous, low-dimensional space, facilitating inference and completion tasks. Existing methods are mainly divided into two types: translational distance models and semantic matching…

信息检索 · 计算机科学 2025-03-11 Deepak Banerjee , Anjali Ishaan

While recent debiasing methods for Scene Graph Generation (SGG) have shown impressive performance, these efforts often attribute model bias solely to the long-tail distribution of relationships, overlooking the more profound causes stemming…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Li Liu , Shuzhou Sun , Shuaifeng Zhi , Fan Shi , Zhen Liu , Janne Heikkilä , Yongxiang Liu

Graph embedding provides an efficient solution for graph analysis by converting the graph into a low-dimensional space which preserves the structure information. In contrast to the graph structure data, the i.i.d. node embedding can be…

机器学习 · 计算机科学 2017-05-16 Hongyun Cai , Vincent W. Zheng , Kevin Chen-Chuan Chang

Graph Transformers, which incorporate self-attention and positional encoding, have recently emerged as a powerful architecture for various graph learning tasks. Despite their impressive performance, the complex non-convex interactions…

机器学习 · 计算机科学 2024-06-05 Hongkang Li , Meng Wang , Tengfei Ma , Sijia Liu , Zaixi Zhang , Pin-Yu Chen

With the explosion of graph-structured data, link prediction has emerged as an increasingly important task. Embedding methods for link prediction utilize neural networks to generate node embeddings, which are subsequently employed to…

机器学习 · 计算机科学 2023-06-21 Jun Fu , Xiaojuan Zhang , Shuang Li , Dali Chen

Graphs serve as versatile data structures in numerous real-world domains-including social networks, molecular biology, and knowledge graphs-by capturing intricate relational information among entities. Among graph-based learning techniques,…

机器学习 · 计算机科学 2025-05-21 Chou-Ying Hsieh , Chun-Fu Jang , Cheng-En Hsieh , Qian-Hui Chen , Sy-Yen Kuo

Relation prediction is a task designed for knowledge graph completion which aims to predict missing relationships between entities. Recent subgraph-based models for inductive relation prediction have received increasing attention, which can…

机器学习 · 计算机科学 2022-11-23 Jianfeng Wu , Sijie Mai , Haifeng Hu

Knowledge graph embedding (KGE) focuses on representing the entities and relations of a knowledge graph (KG) into the continuous vector spaces, which can be employed to predict the missing triples to achieve knowledge graph completion…

计算与语言 · 计算机科学 2023-07-25 Yichi Zhang , Wen Zhang

Traditional knowledge graph (KG) embedding methods aim to represent entities and relations in a low-dimensional space, primarily focusing on static graphs. However, real-world KGs are dynamically evolving with the constant addition of…

人工智能 · 计算机科学 2025-08-18 Yifei Li , Lingling Zhang , Hang Yan , Tianzhe Zhao , Zihan Ma , Muye Huang , Jun Liu

It is hard to directly implement Graph Neural Networks (GNNs) on large scaled graphs. Besides of existed neighbor sampling techniques, scalable methods decoupling graph convolutions and other learnable transformations into preprocessing and…

机器学习 · 计算机科学 2021-07-02 Chuxiong Sun , Hongming Gu , Jie Hu

A few models have tried to tackle the link prediction problem, also known as knowledge graph completion, by embedding knowledge graphs in comparably lower dimensions. However, the state-of-the-art results are attained at the cost of…

机器学习 · 计算机科学 2022-11-29 Peyman Baghershahi , Reshad Hosseini , Hadi Moradi

In this paper, we propose a novel deep architecture tailored for 3D point cloud applications, named as SPE-Net. The embedded ``Selective Position Encoding (SPE)'' procedure relies on an attention mechanism that can effectively attend to the…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Zhaofan Qiu , Yehao Li , Yu Wang , Yingwei Pan , Ting Yao , Tao Mei

The (variational) graph auto-encoder and its variants have been popularly used for representation learning on graph-structured data. While the encoder is often a powerful graph convolutional network, the decoder reconstructs the graph…

机器学习 · 计算机科学 2019-11-27 Han Shi , Haozheng Fan , James T. Kwok