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Domain-specific knowledge graphs (DKGs) are critical yet often suffer from limited coverage compared to General Knowledge Graphs (GKGs). Existing tasks to enrich DKGs rely primarily on extracting knowledge from external unstructured data or…

人工智能 · 计算机科学 2026-02-16 Runhao Zhao , Weixin Zeng , Wentao Zhang , Chong Chen , Zhengpin Li , Xiang Zhao , Lei Chen

The availability of large scale event data with time stamps has given rise to dynamically evolving knowledge graphs that contain temporal information for each edge. Reasoning over time in such dynamic knowledge graphs is not yet well…

人工智能 · 计算机科学 2017-06-22 Rakshit Trivedi , Hanjun Dai , Yichen Wang , Le Song

Heterogeneous graphs are ubiquitous data structures that can inherently capture multi-type and multi-modal interactions between objects. In recent years, research on encoding heterogeneous graph into latent representations have enjoyed a…

社会与信息网络 · 计算机科学 2023-07-06 Chen Ling , Carl Yang , Liang Zhao

Node classification on static graphs has achieved significant success, but achieving accurate node classification on dynamic graphs where node topology, attributes, and labels change over time has not been well addressed. Existing methods…

社会与信息网络 · 计算机科学 2024-12-31 Xiaoxu Ma , Chen Zhao , Minglai Shao , Yujie Lin

Machine learning models that learn from dynamic graphs face nontrivial challenges in learning and inference as both nodes and edges change over time. The existing large-scale graph benchmark datasets that are widely used by the community…

Analysis of large dynamic networks is a thriving research field, typically relying on 2D graph representations. The advent of affordable head mounted displays however, sparked new interest in the potential of 3D visualization for immersive…

人机交互 · 计算机科学 2020-09-11 Johannes Sorger , Manuela Waldner , Wolfgang Knecht , Alessio Arleo

Reasoning about complex visual scenes involves perception of entities and their relations. Scene graphs provide a natural representation for reasoning tasks, by assigning labels to both entities (nodes) and relations (edges). Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Moshiko Raboh , Roei Herzig , Gal Chechik , Jonathan Berant , Amir Globerson

Discrete-Time Dynamic Graphs (DTDGs), which are prevalent in real-world implementations and notable for their ease of data acquisition, have garnered considerable attention from both academic researchers and industry practitioners. The…

机器学习 · 计算机科学 2024-07-29 Xi Chen , Yun Xiong , Siwei Zhang , Jiawei Zhang , Yao Zhang , Shiyang Zhou , Xixi Wu , Mingyang Zhang , Tengfei Liu , Weiqiang Wang

Graphs are a powerful tool for representing and analyzing unstructured, non-Euclidean data ubiquitous in the healthcare domain. Two prominent examples are molecule property prediction and brain connectome analysis. Importantly, recent works…

机器学习 · 计算机科学 2022-04-04 Kamilia Mullakaeva , Luca Cosmo , Anees Kazi , Seyed-Ahmad Ahmadi , Nassir Navab , Michael M. Bronstein

Electroencephalography (EEG) serves as a reliable and objective signal for emotion recognition in affective brain-computer interfaces, offering unique advantages through its high temporal resolution and ability to capture authentic…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Yueyang Li , Shengyu Gong , Weiming Zeng , Nizhuan Wang , Wai Ting Siok

Real-world graph typically evolve via a series of events, modeling dynamic interactions between objects across various domains. For dynamic graph learning, dynamic graph neural networks (DGNNs) have emerged as popular solutions. Recently,…

机器学习 · 计算机科学 2026-05-22 Xingtong Yu , Ruijuan Liang , Renhe Jiang , Dongyuan Li , Yunxiao Zhao , Xinming Zhang , Yuan Fang

Learning universal graph representations across heterogeneous domains is difficult because graph datasets differ in topology, node-attribute semantics, feature dimensions, and even attribute availability. We propose GraphVec, a…

机器学习 · 计算机科学 2026-05-08 Qi Feng , Jicong Fan

Dynamic graphs capture evolving interactions between entities, such as in social networks, online learning platforms, and crowdsourcing projects. For dynamic graph modeling, dynamic graph neural networks (DGNNs) have emerged as a mainstream…

机器学习 · 计算机科学 2025-03-04 Xingtong Yu , Zhenghao Liu , Xinming Zhang , Yuan Fang

Recently there has been increasing interest in developing and deploying deep graph learning algorithms for many tasks, such as fraud detection and recommender systems. Albeit, there is a limited number of publicly available graph-structured…

机器学习 · 计算机科学 2023-10-06 Sajad Darabi , Piotr Bigaj , Dawid Majchrowski , Artur Kasymov , Pawel Morkisz , Alex Fit-Florea

Accurate epidemic forecasting is a critical task in controlling disease transmission. Many deep learning-based models focus only on static or dynamic graphs when constructing spatial information, ignoring their relationship. Additionally,…

机器学习 · 计算机科学 2023-12-04 Junkai Mao , Yuexing Han , Gouhei Tanaka , Bing Wang

In natural language processing, interactive text-based games serve as a test bed for interactive AI systems. Prior work has proposed to play text-based games by acting based on discrete knowledge graphs constructed by the Discrete Graph…

计算与语言 · 计算机科学 2023-11-06 Keunwoo Peter Yu

Recent advances in CV and NLP have inspired researchers to develop general-purpose graph foundation models through pre-training across diverse domains. However, a fundamental challenge arises from the substantial differences in graph…

社会与信息网络 · 计算机科学 2025-06-02 Shuo Wang , Bokui Wang , Zhixiang Shen , Boyan Deng , Zhao Kang

Knowledge graphs and ontologies represent entities and their relationships in a structured way, having gained significance in the development of modern AI applications. Integrating these semantic resources with machine learning models often…

机器学习 · 计算机科学 2025-09-10 Hamid Ahmad , Heiko Paulheim , Rita T. Sousa

Vision-Language Models (VLMs) have emerged as versatile solutions for zero-shot question answering (QA) across various domains. However, enabling VLMs to effectively comprehend structured graphs and perform accurate, efficient QA remains…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Yanbin Wei , Jiangyue Yan , Chun Kang , Yang Chen , Hua Liu , James Kwok , Yu Zhang

Temporal Knowledge Graphs store events in the form of subjects, relations, objects, and timestamps which are often represented by dynamic heterogeneous graphs. Event forecasting is a critical and challenging task in Temporal Knowledge Graph…

机器学习 · 计算机科学 2021-09-13 Hongkuan Zhou , James Orme-Rogers , Rajgopal Kannan , Viktor Prasanna
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