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We propose a neural embedding algorithm called Network Vector, which learns distributed representations of nodes and the entire networks simultaneously. By embedding networks in a low-dimensional space, the algorithm allows us to compare…

社会与信息网络 · 计算机科学 2017-09-11 Hao Wu , Kristina Lerman

Motivated by the growing number of mobile devices capable of connecting and exchanging messages, we propose a methodology aiming to model and analyze node mobility in networks. We note that many existing solutions in the literature rely on…

Data-driven methods for the identification of the governing equations of dynamical systems or the computation of reduced surrogate models play an increasingly important role in many application areas such as physics, chemistry, biology, and…

动力系统 · 数学 2024-12-17 Stefan Klus , Hongyu Zhu

Dynamic graph representation learning is a task to learn node embeddings over dynamic networks, and has many important applications, including knowledge graphs, citation networks to social networks. Graphs of this type are usually…

社会与信息网络 · 计算机科学 2021-06-04 Xingzhi Guo , Baojian Zhou , Steven Skiena

Network embedding aims to represent a network into a low dimensional space where the network structural information and inherent properties are maximumly preserved. Random walk based network embedding methods such as DeepWalk and node2vec…

社会与信息网络 · 计算机科学 2021-04-01 Jiawei Shen , Xincheng Shu , Hu Yang

Dynamic graph-level embedding aims to capture structural evolution in networks, which is essential for modeling real-world scenarios. However, existing methods face two critical yet under-explored issues: Structural Visit Bias, where random…

机器学习 · 计算机科学 2025-08-22 Haodi Zhong , Liuxin Zou , Di Wang , Bo Wang , Zhenxing Niu , Quan Wang

Modern networked systems are increasingly reconfigurable, enabling demand-aware infrastructures whose resources can be adjusted according to the workload they currently serve. Such dynamic adjustments can be exploited to improve network…

数据结构与算法 · 计算机科学 2019-04-12 Monika Henzinger , Stefan Neumann , Stefan Schmid

This paper addresses the problem of online network topology inference for expanding graphs from a stream of spatiotemporal signals. Online algorithms for dynamic graph learning are crucial in delay-sensitive applications or when changes in…

机器学习 · 计算机科学 2024-09-16 Samuel Rey , Bishwadeep Das , Elvin Isufi

Recently, network embedding that encodes structural information of graphs into a vector space has become popular for network analysis. Although recent methods show promising performance for various applications, the huge sizes of graphs may…

社会与信息网络 · 计算机科学 2019-07-18 Esra Akbas , Mehmet Aktas

Machine learning, deep learning, and NLP methods on knowledge graphs are present in different fields and have important roles in various domains from self-driving cars to friend recommendations on social media platforms. However, to apply…

机器学习 · 计算机科学 2024-09-25 Elika Bozorgi , Sakher Khalil Alqaiidi , Afsaneh Shams , Hamid Reza Arabnia , Krzysztof Kochut

Evolving temporal networks serve as the abstractions of many real-life dynamic systems, e.g., social network and e-commerce. The purpose of temporal network embedding is to map each node to a time-evolving low-dimension vector for…

社会与信息网络 · 计算机科学 2021-10-27 Ling Chen , Da Wang , Dandan Lyu , Xing Tang , Hongyu Shi

Constituting highly informative network embeddings is an important tool for network analysis. It encodes network topology, along with other useful side information, into low-dimensional node-based feature representations that can be…

计算与语言 · 计算机科学 2019-06-06 Liqun Chen , Guoyin Wang , Chenyang Tao , Dinghan Shen , Pengyu Cheng , Xinyuan Zhang , Wenlin Wang , Yizhe Zhang , Lawrence Carin

To understand the structural dynamics of a large-scale social, biological or technological network, it may be useful to discover behavioral roles representing the main connectivity patterns present over time. In this paper, we propose a…

社会与信息网络 · 计算机科学 2012-03-13 Ryan Rossi , Brian Gallagher , Jennifer Neville , Keith Henderson

Node representations, or embeddings, are low-dimensional vectors that capture node properties, typically learned through unsupervised structural similarity objectives or supervised tasks. While recent efforts have focused on explaining…

机器学习 · 计算机科学 2025-10-17 Simone Piaggesi , André Panisson , Megha Khosla

Many real-world datasets have an underlying dynamic graph structure, where entities and their interactions evolve over time. Machine learning models should consider these dynamics in order to harness their full potential in downstream…

Recent years have witnessed a surge of interest in machine learning on graphs and networks with applications ranging from vehicular network design to IoT traffic management to social network recommendations. Supervised machine learning…

社会与信息网络 · 计算机科学 2019-08-23 Manoj Reddy Dareddy , Mahashweta Das , Hao Yang

Dynamic graph representation learning plays a crucial role in understanding evolving behaviors. However, existing methods often struggle with flexibility, adaptability, and the preservation of temporal and structural dynamics. To address…

机器学习 · 计算机科学 2025-01-22 He Yu , Jing Liu

The problem of unsupervised learning node embeddings in graphs is one of the important directions in modern network science. In this work we propose a novel framework, which is aimed to find embeddings by \textit{discriminating…

机器学习 · 统计学 2020-01-24 Stanislav Tsepa , Maxim Panov

Seeking effective neural networks is a critical and practical field in deep learning. Besides designing the depth, type of convolution, normalization, and nonlinearities, the topological connectivity of neural networks is also important.…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Kun Yuan , Quanquan Li , Jing Shao , Junjie Yan

Topology learning of networked dynamical systems is an important problem with implications to optimal control, decision-making over networks, cybersecurity and safety. The majority of prior work in consistent topology estimation relies on…

最优化与控制 · 数学 2024-10-15 Harish Doddi , Deepjyoti Deka , Murti Salapaka