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Related papers: An Information-Theoretic Analysis of Deduplication

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Data deduplication saves storage space by identifying and removing repeats in the data stream. Compared with traditional compression methods, data deduplication schemes are more time efficient and are thus widely used in large scale storage…

Information Theory · Computer Science 2022-05-30 Hao Lou , Farzad Farnoud

Data deduplication emerged as a powerful solution for reducing storage and bandwidth costs in cloud settings by eliminating redundancies at the level of chunks. This has spurred the development of numerous Content-Defined Chunking (CDC)…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-22 Marcel Gregoriadis , Leonhard Balduf , Björn Scheuermann , Johan Pouwelse

Data deduplication, one of the key features of modern Big Data storage devices, is the process of removing replicas of data chunks stored by different users. Despite the importance of deduplication, several drawbacks of the method, such as…

Information Theory · Computer Science 2024-11-05 Yun-Han Li , Jin Sima , Ilan Shomorony , Olgica Milenkovic

Currently, an increasing number of users and enterprises are storing their data in the cloud but do not fully trust cloud providers with their data in plaintext form. To address this concern, they encrypt their data before uploading it to…

Cryptography and Security · Computer Science 2025-01-07 Zhaokang Ke , Haoyu Gong , David H. C. Du

Deduplication has been largely employed in distributed storage systems to improve space efficiency. Traditional deduplication research ignores the design specifications of shared-nothing distributed storage systems such as no central…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-22 Awais Khan , Chang-Gyu Lee , Prince Hamandawana , Sungyong Park , Youngjae Kim

Backup storage systems often remove redundancy across backups via inline deduplication, which works by referring duplicate chunks of the latest backup to those of existing backups. However, inline deduplication degrades restore performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-05-23 Yan Kit Li , Min Xu , Chun Ho Ng , Patrick P. C. Lee

Eliminating duplicate data in primary storage of clouds increases the cost-efficiency of cloud service providers as well as reduces the cost of users for using cloud services. Existing primary deduplication techniques either use inline…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-04-18 Huijun Wu , Chen Wang , Yinjin Fu , Sherif Sakr , Liming Zhu , Kai Lu

Encrypted data deduplication is an important technique for saving storage space and network bandwidth, which has been widely used in cloud storage. Recently, a number of schemes that solve the problem of data deduplication with dynamic…

Cryptography and Security · Computer Science 2022-09-01 Xuewei Ma , Wenyuan Yang , Yuesheng Zhu , Zhiqiang Bai

Load balancing has been a fundamental building block of cloud and, more recently, edge computing environments. At the same time, in edge computing environments, prior research has highlighted that applications operate on similar…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-07 Md Washik Al Azad , Spyridon Mastorakis

We study a generalization of deduplication, which enables lossless deduplication of highly similar data and show that standard deduplication with fixed chunk length is a special case. We provide bounds on the expected length of coded…

Information Theory · Computer Science 2020-03-04 Rasmus Vestergaard , Qi Zhang , Daniel E. Lucani

Data deduplication is the task of detecting records in a database that correspond to the same real-world entity. Our goal is to develop a procedure that samples uniformly from the set of entities present in the database in the presence of…

Machine Learning · Computer Science 2020-08-25 Alireza Heidari , Shrinu Kushagra , Ihab F. Ilyas

There are significant benefits to serve deep learning models from relational databases. First, features extracted from databases do not need to be transferred to any decoupled deep learning systems for inferences, and thus the system…

Databases · Computer Science 2022-10-24 Lixi Zhou , Jiaqing Chen , Amitabh Das , Hong Min , Lei Yu , Ming Zhao , Jia Zou

The problem of reconstructing a source sequence with the presence of decoder side-information that is mis-synchronized to the source due to deletions is studied in a distributed source coding framework. Motivated by practical applications,…

Information Theory · Computer Science 2016-11-17 Nan Ma , Kannan Ramchandran , David Tse

Encrypted deduplication combines encryption and deduplication to simultaneously achieve both data security and storage efficiency. State-of-the-art encrypted deduplication systems mainly build on deterministic encryption to preserve…

Cryptography and Security · Computer Science 2019-10-10 Jingwei Li , Patrick P. C. Lee , Chufeng Tan , Chuan Qin , Xiaosong Zhang

Scaling up the backup storage for an ever-increasing volume of virtual machine (VM) images is a critical issue in virtualization environments. While deduplication is known to effectively eliminate duplicates for VM image storage, it also…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-06-28 Chun-Ho Ng , Patrick P. C. Lee

Visual analytics systems such as Tableau are increasingly popular for interactive data exploration. These tools, however, do not currently assist users with detecting or resolving potential data quality problems including the well-known…

Databases · Computer Science 2016-06-21 Kristi Morton , Hannaneh Hajishirzi , Magdalena Balazinska , Dan Grossman

We consider an approximation scheme for multivariate information assuming that synergistic information only appearing in higher order joint distributions is suppressed, which may hold in large classes of systems. Our approximation scheme…

Methodology · Statistics 2020-09-03 Masahiro Takimoto

Computation codes in network information theory are designed for the scenarios where the decoder is not interested in recovering the information sources themselves, but only a function thereof. K\"orner and Marton showed for distributed…

Information Theory · Computer Science 2017-07-28 Jingge Zhu , Sung Hoon Lim , Michael Gastpar

De-duplication---identification of distinct records referring to the same real-world entity---is a well-known challenge in data integration. Since very large datasets prohibit the comparison of every pair of records, {\em blocking} has been…

Databases · Computer Science 2011-11-17 Anish Das Sarma , Ankur Jain , Ashwin Machanavajjhala , Philip Bohannon

Grid Computing is a type of parallel and distributed systems that is designed to provide reliable access to data and computational resources in wide area networks. These resources are distributed in different geographical locations, however…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-09-27 Sheida Dayyani , Mohammad Reza Khayyambashi
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