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Graph Neural Networks (GNNs) have been widely applied to various fields due to their powerful representations of graph-structured data. Despite the success of GNNs, most existing GNNs are designed to learn node representations on the fixed…

机器学习 · 计算机科学 2021-06-14 Seongjun Yun , Minbyul Jeong , Sungdong Yoo , Seunghun Lee , Sean S. Yi , Raehyun Kim , Jaewoo Kang , Hyunwoo J. Kim

Molecular understanding is central to advancing areas such as scientific discovery, yet Large Language Models (LLMs) struggle to understand molecular graphs effectively. Existing graph-LLM bridges often adapt the Q-Former-style connector…

机器学习 · 计算机科学 2026-03-03 Zihao Jing , Qiuhao Zeng , Ruiyi Fang , Yan Sun , Boyu Wang , Pingzhao Hu

We introduce COPT, a novel distance metric between graphs defined via an optimization routine, computing a coordinated pair of optimal transport maps simultaneously. This gives an unsupervised way to learn general-purpose graph…

机器学习 · 计算机科学 2021-01-01 Yihe Dong , Will Sawin

Transformers achieve strong performance across diverse domains but implicitly assume Euclidean geometry in their attention mechanisms, limiting their effectiveness on data with non-Euclidean structure. While recent extensions to hyperbolic…

机器学习 · 计算机科学 2025-10-03 Ryan Y. Lin , Siddhartha Ojha , Nicholas Bai

Knowledge Graph Completion (KGC), which aims to infer missing or incomplete facts, is a crucial task for KGs. However, integrating the vital structural information of KGs into Large Language Models (LLMs) and outputting predictions…

The dominant graph-to-sequence transduction models employ graph neural networks for graph representation learning, where the structural information is reflected by the receptive field of neurons. Unlike graph neural networks that restrict…

计算与语言 · 计算机科学 2019-12-03 Deng Cai , Wai Lam

Providing accurate estimated time of package delivery on users' purchasing pages for e-commerce platforms is of great importance to their purchasing decisions and post-purchase experiences. Although this problem shares some common issues…

机器学习 · 计算机科学 2023-02-03 Xin Zhou , Jinglong Wang , Yong Liu , Xingyu Wu , Zhiqi Shen , Cyril Leung

This paper investigates the shared-memory Graph Transposition (GT) problem, a fundamental graph algorithm that is widely used in graph analytics and scientific computing. Previous GT algorithms have significant memory requirements that are…

分布式、并行与集群计算 · 计算机科学 2025-01-14 Mohsen Koohi Esfahani , Hans Vandierendonck

Graph Transformers (GTs) have recently demonstrated remarkable performance across diverse domains. By leveraging attention mechanisms, GTs are capable of modeling long-range dependencies and complex structural relationships beyond local…

机器学习 · 计算机科学 2025-06-06 Jiachen Tang , Zhonghao Wang , Sirui Chen , Sheng Zhou , Jiawei Chen , Jiajun Bu

Multimodal Knowledge Graphs (MKGs), which organize visual-text factual knowledge, have recently been successfully applied to tasks such as information retrieval, question answering, and recommendation system. Since most MKGs are far from…

计算与语言 · 计算机科学 2023-09-19 Xiang Chen , Ningyu Zhang , Lei Li , Shumin Deng , Chuanqi Tan , Changliang Xu , Fei Huang , Luo Si , Huajun Chen

We view molecular optimization as a graph-to-graph translation problem. The goal is to learn to map from one molecular graph to another with better properties based on an available corpus of paired molecules. Since molecules can be…

机器学习 · 计算机科学 2019-01-30 Wengong Jin , Kevin Yang , Regina Barzilay , Tommi Jaakkola

Optimal transport (OT) distances between probability distributions are parameterized by the ground metric they use between observations. Their relevance for real-life applications strongly hinges on whether that ground metric parameter is…

机器学习 · 统计学 2020-11-06 Matthieu Heitz , Nicolas Bonneel , David Coeurjolly , Marco Cuturi , Gabriel Peyré

Collaborative recommendation fundamentally involves learning high-quality user and item representations from interaction data. Recently, graph convolution networks (GCNs) have advanced the field by utilizing high-order connectivity patterns…

信息检索 · 计算机科学 2024-12-30 Jiajia Chen , Jiancan Wu , Jiawei Chen , Chongming Gao , Yong Li , Xiang Wang

We propose the Interferometric Graph Transform (IGT), which is a new class of deep unsupervised graph convolutional neural network for building graph representations. Our first contribution is to propose a generic, complex-valued spectral…

机器学习 · 计算机科学 2020-06-11 Edouard Oyallon

Trajectory prediction is fundamental to various intelligent technologies, such as autonomous driving and robotics. The motion prediction of pedestrians and vehicles helps emergency braking, reduces collisions, and improves traffic safety.…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Yao Liu , Binghao Li , Xianzhi Wang , Claude Sammut , Lina Yao

While the Transformer architecture has become ubiquitous in the machine learning field, its adaptation to 3D shape recognition is non-trivial. Due to its quadratic computational complexity, the self-attention operator quickly becomes…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Axel Berg , Magnus Oskarsson , Mark O'Connor

Cross-domain alignment between two sets of entities (e.g., objects in an image, words in a sentence) is fundamental to both computer vision and natural language processing. Existing methods mainly focus on designing advanced attention…

计算与语言 · 计算机科学 2020-07-28 Liqun Chen , Zhe Gan , Yu Cheng , Linjie Li , Lawrence Carin , Jingjing Liu

Graph pre-training has been concentrated on graph-level tasks involving small graphs (e.g., molecular graphs) or learning node representations on a fixed graph. Extending graph pre-trained models to web-scale graphs with billions of nodes…

机器学习 · 计算机科学 2025-11-07 Yufei He , Zhenyu Hou , Yukuo Cen , Jun Hu , Feng He , Xu Cheng , Jie Tang , Bryan Hooi

Molecule property prediction is a fundamental problem for computer-aided drug discovery and materials science. Quantum-chemical simulations such as density functional theory (DFT) have been widely used for calculating the molecule…

机器学习 · 计算机科学 2019-11-26 Hiroyuki Shindo , Yuji Matsumoto

Self-attention modules have demonstrated remarkable capabilities in capturing long-range relationships and improving the performance of point cloud tasks. However, point cloud objects are typically characterized by complex, disordered, and…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Xian Wei , Muyu Wang , Shing-Ho Jonathan Lin , Zhengyu Li , Jian Yang , Arafat Al-Jawari , Xuan Tang