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Network alignment is the task of establishing one-to-one correspondences between the nodes of different graphs. Although finding a plethora of applications in high-impact domains, this task is known to be NP-hard in its general form.…

机器学习 · 计算机科学 2024-11-20 Jiashu He , Charilaos I. Kanatsoulis , Alejandro Ribeiro

Graph is an important data representation which occurs naturally in the real world applications \cite{goyal2018graph}. Therefore, analyzing graphs provides users with better insights in different areas such as anomaly detection…

机器学习 · 计算机科学 2024-05-06 Elika Bozorgi , Saber Soleimani , Sakher Khalil Alqaiidi , Hamid Reza Arabnia , Krzysztof Kochut

The classic problem of exact subgraph matching returns those subgraphs in a large-scale data graph that are isomorphic to a given query graph, which has gained increasing importance in many real-world applications. In this paper, we propose…

数据库 · 计算机科学 2025-12-12 Yutong Ye , Xiang Lian , Mingsong Chen

We introduce a general framework for leveraging graph stream data for temporal prediction-based applications. Our proposed framework includes novel methods for learning an appropriate graph time-series representation, modeling and weighting…

机器学习 · 计算机科学 2020-09-22 Di Jin , Sungchul Kim , Ryan A. Rossi , Danai Koutra

Graph embedding methods represent nodes in a continuous vector space, preserving information from the graph (e.g. by sampling random walks). There are many hyper-parameters to these methods (such as random walk length) which have to be…

机器学习 · 计算机科学 2018-12-27 Sami Abu-El-Haija , Bryan Perozzi , Rami Al-Rfou , Alex Alemi

Graph embedding maps a graph into a convenient vector-space representation for graph analysis and machine learning applications. Many graph embedding methods hinge on a sampling of context nodes based on random walks. However, random walks…

机器学习 · 计算机科学 2021-10-18 Sadamori Kojaku , Jisung Yoon , Isabel Constantino , Yong-Yeol Ahn

We present a novel extension to embedding-based knowledge graph completion models which enables them to perform open-world link prediction, i.e. to predict facts for entities unseen in training based on their textual description. Our model…

人工智能 · 计算机科学 2020-01-10 Haseeb Shah , Johannes Villmow , Adrian Ulges , Ulrich Schwanecke , Faisal Shafait

Recommendation systems are crucial in modern applications to enhance the user experience and drive business conversion rates through personalization. However, insufficient utilization of attribute information within the property graph…

信息检索 · 计算机科学 2025-06-30 Sibo Zhao , Michael Bewong , Selasi Kwashie , Junwei Hu , Zaiwen Feng

We propose the Graph Space Embedding (GSE), a technique that maps the input into a space where interactions are implicitly encoded, with little computations required. We provide theoretical results on an optimal regime for the GSE, namely a…

机器学习 · 计算机科学 2019-08-01 João Pereira , Albert Groen , Erik Stroes , Evgeni Levin

We introduce a nonlinear method for directly embedding large, sparse, stochastic graphs into low-dimensional spaces, without requiring vertex features to reside in, or be transformed into, a metric space. Graph data and models are prevalent…

机器学习 · 计算机科学 2019-06-14 Nikos Pitsianis , Alexandros-Stavros Iliopoulos , Dimitris Floros , Xiaobai Sun

Graph embedding techniques are pivotal in real-world machine learning tasks that operate on graph-structured data, such as social recommendation and protein structure modeling. Embeddings are mostly performed on the node level for learning…

机器学习 · 计算机科学 2022-04-26 Nan Wang , Lu Lin , Jundong Li , Hongning Wang

Graph embedding is a transformation of nodes of a graph into a set of vectors. A~good embedding should capture the graph topology, node-to-node relationship, and other relevant information about the graph, its subgraphs, and nodes. If these…

社会与信息网络 · 计算机科学 2022-06-22 Arash Dehghan-Kooshkghazi , Bogumił Kamiński , Łukasz Kraiński , Paweł Prałat , François Théberge

Embedding knowledge graphs (KGs) into continuous vector spaces is a focus of current research. Combining such an embedding model with logic rules has recently attracted increasing attention. Most previous attempts made a one-time injection…

人工智能 · 计算机科学 2017-12-01 Shu Guo , Quan Wang , Lihong Wang , Bin Wang , Li Guo

Network embedding has attracted an increasing attention over the past few years. As an effective approach to solve graph mining problems, network embedding aims to learn a low-dimensional feature vector representation for each node of a…

社会与信息网络 · 计算机科学 2020-08-10 Xiao Shen , Fu-Lai Chung

Social network platforms like Reddit are increasingly impacting real-world economics. Meme stocks are a recent phenomena where price movements are driven by retail investors organizing themselves via social networks. To study the impact of…

社会与信息网络 · 计算机科学 2025-02-07 Yunming Hui , Inez Maria Zwetsloot , Simon Trimborn , Stevan Rudinac

Knowledge Graph Embedding (KGE) has proven to be an effective approach to solving the Knowledge Graph Completion (KGC) task. Relational patterns which refer to relations with specific semantics exhibiting graph patterns are an important…

人工智能 · 计算机科学 2023-08-16 Long Jin , Zhen Yao , Mingyang Chen , Huajun Chen , Wen Zhang

We propose a new method for embedding graphs while preserving directed edge information. Learning such continuous-space vector representations (or embeddings) of nodes in a graph is an important first step for using network information…

机器学习 · 计算机科学 2017-09-15 Sami Abu-El-Haija , Bryan Perozzi , Rami Al-Rfou

Graph embedding methods transform high-dimensional and complex graph contents into low-dimensional representations. They are useful for a wide range of graph analysis tasks including link prediction, node classification, recommendation and…

机器学习 · 计算机科学 2019-12-03 Bhagya Hettige , Yuan-Fang Li , Weiqing Wang , Wray Buntine

Graph embedding has been widely applied in areas such as network analysis, social network mining, recommendation systems, and bioinformatics. However, current graph construction methods often require the prior definition of neighborhood…

机器学习 · 计算机科学 2025-10-08 S. Peng , L. Hu , W. Zhang , B. Jie , Y. Luo

Graph embedding is a transformation of nodes of a network into a set of vectors. A good embedding should capture the underlying graph topology and structure, node-to-node relationship, and other relevant information about the graph, its…

社会与信息网络 · 计算机科学 2021-12-02 Bogumił Kamiński , Łukasz Kraiński , Paweł Prałat , François Théberge