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Recently, graph mining approaches have become very popular, especially in domains such as bioinformatics, chemoinformatics and social networks. In this scope, one of the most challenging tasks is frequent subgraph discovery. This task has…

数据库 · 计算机科学 2016-08-24 Sabeur Aridhi , Laurent d'Orazio , Mondher Maddouri , Engelbert Mephu Nguifo

Distributed Ledger Technology (DLT) has been introduced using the most common consensus algorithm either for an electronic cash system or a decentralized programmable assets platform which provides general services. Most established…

密码学与安全 · 计算机科学 2023-04-19 Ahmad J. Alkhodair , Saraju P. Mohanty , Elias Kougianos

In this paper, Decentralized Periodic Approach for Adaptive Fault Diagnosis (DP-AFD) algorithm is proposed for fault diagnosis in distributed systems with arbitrary topology. Faulty nodes may be either unresponsive, may have either software…

分布式、并行与集群计算 · 计算机科学 2018-12-20 Latika Sarna , Sumedha Shenolikar , Poorva Kulkarni , Varsha Deshpande , Supriya Kelkar

Clustered federated learning (FL) has been shown to produce promising results by grouping clients into clusters. This is especially effective in scenarios where separate groups of clients have significant differences in the distributions of…

机器学习 · 计算机科学 2022-09-22 Saeed Vahidian , Mahdi Morafah , Weijia Wang , Vyacheslav Kungurtsev , Chen Chen , Mubarak Shah , Bill Lin

Modern distributed storage systems often use erasure codes to protect against disk and node failures to increase reliability, while trying to meet the latency requirements of the applications and clients. Storage systems may have caches at…

分布式、并行与集群计算 · 计算机科学 2017-07-24 Vaneet Aggarwal , Yih-Farn R. Chen , Tian Lan , Yu Xiang

The exponential growth of data necessitates distributed storage models, such as peer-to-peer systems and data federations. While distributed storage can reduce costs and increase reliability, the heterogeneity in storage capacity, I/O…

We explore the feasibility of implementing a reliable, high performance, distributed storage system on a commodity computing cluster. Files are distributed across storage nodes using erasure coding with small Low-Density Parity-Check (LDPC)…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Benjamin Gaidioz , Birger Koblitz , Nuno Santos

Deduplication is a vital preprocessing step that enhances machine learning model performance and saves training time and energy. However, enhancing federated learning through deduplication poses challenges, especially regarding scalability…

密码学与安全 · 计算机科学 2024-12-05 Aydin Abadi , Vishnu Asutosh Dasu , Sumanta Sarkar

In order to accommodate the ever-growing data from various, possibly independent, sources and the dynamic nature of data usage rates in practical applications, modern cloud data storage systems are required to be scalable, flexible, and…

信息论 · 计算机科学 2020-09-22 Siyi Yang , Ahmed Hareedy , Robert Calderbank , Lara Dolecek

The development of cluster computing frameworks has allowed practitioners to scale out various statistical estimation and machine learning algorithms with minimal programming effort. This is especially true for machine learning problems…

机器学习 · 统计学 2019-06-24 Robin Vogel , Aurélien Bellet , Stephan Clémençon , Ons Jelassi , Guillaume Papa

Deep clustering methods improve the performance of clustering tasks by jointly optimizing deep representation learning and clustering. While numerous deep clustering algorithms have been proposed, most of them rely on artificially…

机器学习 · 计算机科学 2024-01-30 Zhanwen Cheng , Feijiang Li , Jieting Wang , Yuhua Qian

Consistent hashing is used in distributed systems and networking applications to spread data evenly and efficiently across a cluster of nodes. In this paper, we present MementoHash, a novel consistent hashing algorithm that eliminates known…

分布式、并行与集群计算 · 计算机科学 2024-02-28 Massimo Coluzzi , Amos Brocco , Alessandro Antonucci , Tiziano Leidi

We introduce and address a novel distributed clustering problem where each participant has a private dataset containing only a subset of all available features, and some features are included in multiple datasets. This scenario occurs in…

数据结构与算法 · 计算机科学 2025-10-14 Alessio Maritan , Luca Schenato

Due to individual unreliable commodity components, failures are common in large-scale distributed storage systems. Erasure codes are widely deployed in practical storage systems to provide fault tolerance with low storage overhead. However,…

分布式、并行与集群计算 · 计算机科学 2020-04-15 Liangliang Xu , Min Lyu , Zhipeng Li , Yongkun Li , Yinlong Xu

With the growing popularity of cloud storage, removing duplicated data across users is getting more critical for service providers to reduce costs. Recently, Data resemblance detection is a novel technology to detect redundancy among…

分布式、并行与集群计算 · 计算机科学 2021-06-03 Xuming Ye , Xiaoye Xue , Wenlong Tian , Zhiyong Xu , Weijun Xiao , Ruixuan Li

The performance and behavior of large-scale distributed applications is highly influenced by network properties such as latency, bandwidth, packet loss, and jitter. For instance, an engineer might need to answer questions such as: What is…

分布式、并行与集群计算 · 计算机科学 2020-04-07 Paulo Gouveia , João Neves , Carlos Segarra , Luca Liechti , Shady Issa , Valerio Schiavoni , Miguel Matos

This thesis proposes techniques aiming to make blockchain technologies and smart contract platforms practical by improving their scalability, latency, and privacy. This thesis starts by presenting the design and implementation of…

密码学与安全 · 计算机科学 2021-02-25 Alberto Sonnino

Distributed storage systems typically maintain strong consistency between data nodes and metadata nodes by adopting ordered writes: 1) first installing data; 2) then updating metadata to make data visible.We propose SwitchDelta to…

分布式、并行与集群计算 · 计算机科学 2025-11-26 Junru Li , Qing Wang , Zhe Yang , Shuo Liu , Jiwu Shu , Youyou Lu

In sensor networks, it is not always practical to set up a fusion center. Therefore, there is need for fully decentralized clustering algorithms. Decentralized clustering algorithms should minimize the amount of data exchanged between…

机器学习 · 统计学 2018-07-13 Elsa Dupraz , Dominique Pastor , François-Xavier Socheleau

This paper presents some of our findings on the scalability of parallel 3D mesh generation on distributed memory machines. The primary objective of this study was to evaluate a distributed memory approach for implementing a 3D parallel…

分布式、并行与集群计算 · 计算机科学 2023-08-25 Polykarpos Thomadakis , Nikos Chrisochoides