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Document clustering is a traditional, efficient and yet quite effective, text mining technique when we need to get a better insight of the documents of a collection that could be grouped together. The K-Means algorithm and the Hierarchical…

分布式、并行与集群计算 · 计算机科学 2021-12-02 Sergios Gerakidis , Sofia Megarchioti , Basilis Mamalis

We present a new 'piggybacking' framework for designing distributed storage codes that are efficient in data-read and download required during node-repair. We illustrate the power of this framework by constructing classes of explicit codes…

信息论 · 计算机科学 2013-02-26 K. V. Rashmi , Nihar B. Shah , Kannan Ramchandran

Distributed dataflow systems like Apache Spark and Apache Hadoop enable data-parallel processing of large datasets on clusters. Yet, selecting appropriate computational resources for dataflow jobs -- that neither lead to bottlenecks nor to…

分布式、并行与集群计算 · 计算机科学 2023-01-11 Jonathan Will , Lauritz Thamsen , Jonathan Bader , Dominik Scheinert , Odej Kao

The rapid advancement of big data technologies has underscored the need for robust and efficient data processing solutions. Traditional Spark-based Platform-as-a-Service (PaaS) solutions, such as Databricks and Amazon Web Services Elastic…

分布式、并行与集群计算 · 计算机科学 2024-08-22 Hernan Picatto , Georg Heiler , Peter Klimek

The personalized health care service utilizes the relational patient data and big data analytics to tailor the medication recommendations. However, most of the health care data are in unstructured form and it consumes a lot of time and…

计算机与社会 · 计算机科学 2018-02-13 Sarathkumar Rangarajan , Huai Liu , Hua Wang , Chuan-Long Wang

Columnar storage is a core component of a modern data analytics system. Although many database management systems (DBMSs) have proprietary storage formats, most provide extensive support to open-source storage formats such as Parquet and…

数据库 · 计算机科学 2023-11-08 Xinyu Zeng , Yulong Hui , Jiahong Shen , Andrew Pavlo , Wes McKinney , Huanchen Zhang

Distributed File Systems (DFS) are essential for managing vast datasets across multiple servers, offering benefits in scalability, fault tolerance, and data accessibility. This paper presents a comprehensive evaluation of three prominent…

分布式、并行与集群计算 · 计算机科学 2025-03-04 Shubham Malhotra , Fnu Yashu , Muhammad Saqib , Dipkumar Mehta , Jagdish Jangid , Sachin Dixit

Coded caching utilizes proper file subpacketization and coded delivery to make full use of the multicast opportunities in content delivery, to alleviate file transfer load in massive content delivery scenarios. Most existing work considers…

信息论 · 计算机科学 2021-10-01 Jialing Liao , Olav Tirkkonen

In recent times, the production of multidimensional data in various domains and their storage in array databases has witnessed a sharp increase; this rapid growth in data volumes necessitates compression in array databases. However,…

数据库 · 计算机科学 2022-11-14 Minsoo Kim , Hyubjin Lee , Yon Dohn Chung

Clustering plays an important role in mining big data both as a modeling technique and a preprocessing step in many data mining process implementations. Fuzzy clustering provides more flexibility than non-fuzzy methods by allowing each data…

分布式、并行与集群计算 · 计算机科学 2018-11-26 Nasser Ghadiri , Meysam Ghaffari , Mohammad Amin Nikbakht

Feature selection (FS) is a key research area in the machine learning and data mining fields, removing irrelevant and redundant features usually helps to reduce the effort required to process a dataset while maintaining or even improving…

机器学习 · 计算机科学 2018-11-02 Raul-Jose Palma-Mendoza , Daniel Rodriguez , Luis de-Marcos

The deployment of databases across geographically distributed regions has become increasingly critical for ensuring data reliability and scalability. Recent studies indicate that distributed databases exhibit significantly higher latency…

数据库 · 计算机科学 2025-12-19 Duling Xu , Tong Li , Zegang Sun , Zheng Chen , Weixing Zhou , Yanfeng Zhang , Wei Lu , Xiaoyong Du

Storage systems are essential building blocks for cloud computing infrastructures. Although high performance storage servers are the ultimate solution for cloud storage, the implementation of inexpensive storage system remains an open…

分布式、并行与集群计算 · 计算机科学 2011-12-30 Julia Myint , Thinn Thu Naing

In this paper, a technology for massive data storage and computing named Hadoop is surveyed. Hadoop consists of heterogeneous computing devices like regular PCs abstracting away the details of parallel processing and developers can just…

网络与互联网体系结构 · 计算机科学 2022-03-01 Ameneh Zarei , Shahla Safari , Mahmood Ahmadi , Farhad Mardukhi

Solving storage problem: where objects must be accurately placed into containers with precise orientations and positions, presents a distinct challenge that extends beyond traditional rearrangement tasks. These challenges are primarily due…

机器人学 · 计算机科学 2024-09-04 Haonan Chang , Kowndinya Boyalakuntla , Yuhan Liu , Xinyu Zhang , Liam Schramm , Abdeslam Boularias

Data loading has been one of the most common performance bottlenecks for many big data applications, especially when they are running on inefficient human-readable formats, such as JSON or CSV. Parsing, validating, integrity checking and…

数据库 · 计算机科学 2021-02-24 Cong Ding , Dixin Tang , Xi Liang , Aaron J. Elmore , Sanjay Krishnan

An increasing number of real-time applications with compute and/or communication deadlines are being supported on shared infrastructure. Such applications can often tolerate occasional deadline violations without substantially impacting…

网络与互联网体系结构 · 计算机科学 2016-03-08 Yuhuan Du , Gustavo de Veciana

With the rapid advancement of Big Data platforms such as Hadoop, Spark, and Dataflow, many tools are being developed that are intended to provide end users with an interactive environment for large-scale data analysis (e.g., IQmulus).…

分布式、并行与集群计算 · 计算机科学 2019-10-25 Amit Kumar Mondal , Banani Roy , Chanchal K. Roy , Kevin A. Schneider

Motivation: Storage of genomic data is a major cost for the Life Sciences, effectively addressed mostly via specialized data compression methods. For the same reasons of abundance in data production, the use of Big Data technologies is seen…

分布式、并行与集群计算 · 计算机科学 2020-07-28 Umberto Ferraro Petrillo , Francesco Palini , Giuseppe Cattaneo , Raffaele Giancarlo

The distributed edge storage system can store data collected at the edge of the network in a decentralised manner, with low latency, high security, and flexibility. Traditional edge-distributed storage systems only consider one single…

网络与互联网体系结构 · 计算机科学 2023-10-10 Yejin Yang , Miao Ye , Qiuxiang Jiang , Peng Wen