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Graph embedding techniques have attracted growing interest since they convert the graph data into continuous and low-dimensional space. Effective graph analytic provides users a deeper understanding of what is behind the data and thus can…

机器学习 · 计算机科学 2022-01-21 Azita Nouri , Philip E. Davis , Pradeep Subedi , Manish Parashar

Petri nets provide accurate analogues to chemical reaction networks, with places representing individual molecules (the resources of the system) and transitions representing chemical reactions which convert educt molecules into product…

离散数学 · 计算机科学 2025-09-03 Addie Jordon , Juri Kolčák , Daniel Merkle

Discovering frequent episodes in event sequences is an interesting data mining task. In this paper, we argue that this framework is very effective for analyzing multi-neuronal spike train data. Analyzing spike train data is an important…

数据库 · 计算机科学 2008-03-10 Debprakash Patnaik , P. S. Sastry , K. P. Unnikrishnan

Many problems in areas as diverse as recommendation systems, social network analysis, semantic search, and distributed root cause analysis can be modeled as pattern search on labeled graphs (also called "heterogeneous information networks"…

社会与信息网络 · 计算机科学 2018-04-12 Xiaofeng Yang , Deepak Ajwani , Wolfgang Gatterbauer , Patrick K. Nicholson , Mirek Riedewald , Alessandra Sala

Detectability describes the property of a system to uniquely determine, after a finite number of observations, the current and subsequent states. In this paper, to reduce the complexity of checking the detectability properties in the…

系统与控制 · 电气工程与系统科学 2019-08-27 Hao Lan , Yin Tong , Jin Guo , Carla Seatzu

One way of getting a better view of data is using frequent patterns. In this paper frequent patterns are subsets that occur a minimal number of times in a stream of itemsets. However, the discovery of frequent patterns in streams has always…

人工智能 · 计算机科学 2007-05-23 Edgar H. de Graaf , Joost N. Kok , Walter A. Kosters

Classifying research output into context-specific label taxonomies is a challenging and relevant downstream task, given the volume of existing and newly published articles. We propose a method to enhance the performance of article…

机器学习 · 计算机科学 2024-05-29 Khang Ly , Yury Kashnitsky , Savvas Chamezopoulos , Valeria Krzhizhanovskaya

Online social network services provide a platform for human social interactions. Nowadays, many kinds of online interactions generate large-scale social network data. Network analysis helps to mine knowledge and pattern from the…

社会与信息网络 · 计算机科学 2021-02-19 Andry Alamsyah , Yahya Peranginangin , Intan Muchtadi-Alamsyah , Budi Rahardjo , Kuspriyanto

Because of the huge number of graphs possible even with a small number of nodes, inference on network structure is known to be a challenging problem. Generating large random directed graphs with prescribed probabilities of occurrences of…

定量方法 · 定量生物学 2017-05-03 Frederic Y. Bois , Ghislaine Gayraud

Data analysts commonly utilize statistics to summarize large datasets. While it is often sufficient to explore only the summary statistics of a dataset (e.g., min/mean/max), Anscombe's Quartet demonstrates how such statistics can be…

计算几何 · 计算机科学 2019-11-06 Hang Chen , Vahan Huroyan , Utkarsh Soni , Yafeng Lu , Ross Maciejewski , Stephen Kobourov

Pattern counting in graphs is a fundamental primitive for many network analysis tasks, and a number of methods have been developed for scaling subgraph counting to large graphs. Many real-world networks carry a natural notion of strength of…

社会与信息网络 · 计算机科学 2019-10-03 Raunak Kumar , Paul Liu , Moses Charikar , Austin R. Benson

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

Exploring statistics of locally connected subgraph patterns (also known as network motifs) has helped researchers better understand the structure and function of biological and online social networks (OSNs). Nowadays the massive size of…

社会与信息网络 · 计算机科学 2014-03-28 Pinghui Wang , John C. S. Lui , Bruno Ribeiro , Don Towsley , Junzhou Zhao , Xiaohong Guan

The most commonly used method to tackle the graph partitioning problem in practice is the multilevel approach. During a coarsening phase, a multilevel graph partitioning algorithm reduces the graph size by iteratively contracting nodes and…

分布式、并行与集群计算 · 计算机科学 2014-03-26 Henning Meyerhenke , Peter Sanders , Christian Schulz

We study the problem of semi-supervised learning on graphs, for which graph neural networks (GNNs) have been extensively explored. However, most existing GNNs inherently suffer from the limitations of over-smoothing, non-robustness, and…

机器学习 · 计算机科学 2021-09-22 Wenzheng Feng , Jie Zhang , Yuxiao Dong , Yu Han , Huanbo Luan , Qian Xu , Qiang Yang , Evgeny Kharlamov , Jie Tang

Processing large complex networks like social networks or web graphs has recently attracted considerable interest. In order to do this in parallel, we need to partition them into pieces of about equal size. Unfortunately, previous parallel…

分布式、并行与集群计算 · 计算机科学 2015-01-27 Henning Meyerhenke , Peter Sanders , Christian Schulz

We initiate the study of graph algorithms in the streaming setting on massive distributed and parallel systems inspired by practical data processing systems. The objective is to design algorithms that can efficiently process evolving graphs…

数据结构与算法 · 计算机科学 2025-01-20 Artur Czumaj , Gopinath Mishra , Anish Mukherjee

Graph pebbling is a network model for transporting discrete resources that are consumed in transit. Deciding whether a given configuration on a particular graph can reach a specified target is ${\sf NP}$-complete, even for diameter two…

组合数学 · 数学 2017-01-17 Liliana Alcón , Marisa Gutierrez , Glenn Hurlbert

Graph transformer has been proven as an effective graph learning method for its adoption of attention mechanism that is capable of capturing expressive representations from complex topological and feature information of graphs. Graph…

机器学习 · 计算机科学 2024-03-26 Dongqi Fu , Zhigang Hua , Yan Xie , Jin Fang , Si Zhang , Kaan Sancak , Hao Wu , Andrey Malevich , Jingrui He , Bo Long

Large graphs can be found in a wide array of scientific fields ranging from sociology and biology to scientometrics and computer science. Their analysis is by no means a trivial task due to their sheer size and complex structure. Such…

社会与信息网络 · 计算机科学 2017-02-24 Georgios Drakopoulos , Stavros Kontopoulos , Christos Makris , Vasileios Megalooikonomou