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MDS (maximum distance separable) array codes are widely used in storage systems due to their computationally efficient encoding and decoding procedures. An MDS code with r redundancy nodes can correct any r erasures by accessing (reading)…

信息论 · 计算机科学 2011-07-11 Zhiying Wang , Itzhak Tamo , Jehoshua Bruck

The sparse dictionary coding framework represents signals as a linear combination of a few predefined dictionary atoms. It has been employed for images, time series, graph signals and recently for 2-way (or 2D) spatio-temporal data…

机器学习 · 计算机科学 2024-06-12 Boya Ma , Maxwell McNeil , Abram Magner , Petko Bogdanov

Hash chains provide a secure and light way of security to data authentication including two aspects: Data Integrity and Data Origin Authentication. The real challenge of using the hash chains is how it could recover the synchronization…

密码学与安全 · 计算机科学 2015-02-05 Emad Abd-Elrahman , Mohamed Boutabia , Hossam Afifi

Coded computation is a framework which provides redundancy in distributed computing systems to speed up largescale tasks. Although most existing works assume an error-free scenarios in a master-worker setup, the link failures are common in…

信息论 · 计算机科学 2019-01-14 Dong-Jun Han , Jy-yong Sohn , Jaekyun Moon

Localizing desired objects from remote sensing images is of great use in practical applications. Referring image segmentation, which aims at segmenting out the objects to which a given expression refers, has been extensively studied in…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Zhenghang Yuan , Lichao Mou , Yuansheng Hua , Xiao Xiang Zhu

Fast and efficient failure recovery is a new challenge for cloud storage systems with a large number of storage nodes. A pivotal recovery metric upon the failure of a storage node is repair bandwidth cost which refers to the amount of data…

信息论 · 计算机科学 2016-05-24 Mahdi Hajiaghayi , Hamid Jafarkhani

The Longest Common Subsequence (LCS) is the problem of finding a subsequence among a set of strings that has two properties of being common to all and is the longest. The LCS has applications in computational biology and text editing, among…

人工智能 · 计算机科学 2023-06-07 Alireza Abdi , Masih Hajsaeedi , Mohsen Hooshmand

Record linkage is aimed at the accurate and efficient identification of records that represent the same entity within or across disparate databases. It is a fundamental task in data integration and increasingly required for accurate…

数据库 · 计算机科学 2021-04-21 Thilina Ranbaduge , Peter Christen , Rainer Schnell

The Shortest Common Superstring problem (SCS) consists, for a set of strings S = {s_1,...,s_n}, in finding a minimum length string that contains all s_i, 1<= i <= n, as substrings. While a 2+11/30 approximation ratio algorithm has recently…

数据结构与算法 · 计算机科学 2018-05-02 Tristan Braquelaire , Marie Gasparoux , Mathieu Raffinot , Raluca Uricaru

Remote-sensing (RS) Change Detection (CD) aims to detect "changes of interest" from co-registered bi-temporal images. The performance of existing deep supervised CD methods is attributed to the large amounts of annotated data used to train…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Wele Gedara Chaminda Bandara , Vishal M. Patel

With the help of powerful generative models, Semantic Image Compression (SIC) has achieved impressive performance at ultra-low bitrate. However, due to coarse-grained visual-semantic alignment and inherent randomness, the reliability of SIC…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Chenhao Wu , Qingbo Wu , Haoran Wei , Shuai Chen , Mingzhou He , King Ngi Ngan , Fanman Meng , Hongliang Li

The problem of reconstructing strings from their substring spectra has a long history and in its most simple incarnation asks for determining under which conditions the spectrum uniquely determines the string. We study the problem of coded…

信息论 · 计算机科学 2019-04-24 Ryan Gabrys , Olgica Milenkovic

The deluge of networked data motivates the development of algorithms for computation- and communication-efficient information processing. In this context, three data-adaptive censoring strategies are introduced to considerably reduce the…

系统与控制 · 计算机科学 2018-01-16 Zifeng Wang , Zheng Yu , Qing Ling , Dimitris Berberidis , Georgios B. Giannakis

Text-to-SQL generation aims to translate natural language questions into SQL statements. In Text-to-SQL based on large language models, schema linking is a widely adopted strategy to streamline the input for LLMs by selecting only relevant…

计算与语言 · 计算机科学 2024-11-27 Zhenbiao Cao , Yuanlei Zheng , Zhihao Fan , Xiaojin Zhang , Wei Chen , Xiang Bai

Throughput limitations of existing blockchain architectures are one of the most significant hurdles for their wide-spread adoption. Attempts to address this challenge include layer-2 solutions, such as Bitcoin's Lightning or Ethereum's…

分布式、并行与集群计算 · 计算机科学 2019-09-13 Alexander Hentschel , Dieter Shirley , Layne Lafrance

Split learning emerges as a promising paradigm for collaborative distributed model training, akin to federated learning, by partitioning neural networks between clients and a server without raw data exchange. However, sequential split…

机器学习 · 计算机科学 2025-11-25 Mengdi Wang , Efe Bozkir , Enkelejda Kasneci

Similarity search is critical for many database applications, including the increasingly popular online services for Content-Based Multimedia Retrieval (CBMR). These services, which include image search engines, must handle an overwhelming…

分布式、并行与集群计算 · 计算机科学 2013-10-16 Thiago S. F. X. Teixeira , George Teodoro , Eduardo Valle , Joel H. Saltz

This paper investigates the approximability of the Longest Common Subsequence (LCS) problem. The fastest algorithm for solving the LCS problem exactly runs in essentially quadratic time in the length of the input, and it is known that under…

数据结构与算法 · 计算机科学 2021-05-10 Shyan Akmal , Virginia Vassilevska Williams

Graph analysis is a critical component of applications such as online social networks, protein interactions in biological networks, and Internet traffic analysis. The arrival of massive graphs with hundreds of millions of nodes, e.g. social…

社会与信息网络 · 计算机科学 2015-03-19 Xiaohan Zhao , Alessandra Sala , Haitao Zheng , Ben Y. Zhao

Reconfigurable intelligent surfaces (RISs) have become a promising candidate for the development of future mobile systems. In the context of massive machine-type communications (mMTC), a RIS can be used to support the transmission from a…

信号处理 · 电气工程与系统科学 2024-12-11 Sergi Liesegang , Alessio Zappone , Olga Muñoz , Antonio Pascual-Iserte