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Correction to: MongoDB Vs PostgreSQL: a comparative study on performance aspects

Antonios Makris, Konstantinos Tserpes, Giannis Spiliopoulos, Dimitrios Zissis, Dimosthenis Anagnostopoulos
2020 Geoinformatica  
The article "MongoDB Vs PostgreSQL: A comparative study on performance aspects", written by Antonios Makris, Konstantinos Tserpes, Giannis Spiliopoulos, Dimitrios Zissis, Dimosthenis Anagnostopoulos, was  ...  originally published electronically on the publisher's internet portal on 05 June 2020 without open access.  ...  the source, provide a link to the Creative Commons licence, and indicate if changes were made.  ... 
doi:10.1007/s10707-020-00424-9 fatcat:7tlwjutgpnaidabqn7hueeltcy


İ. B. Coşkun, S. Sertok, B. Anbaroğlu
2019 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
This paper analyses the performance of the kNN query in PostgreSQL and MongoDB, both being a representative of relational and NoSQL DBMS respectively.  ...  One of the commonly used spatial queries in GIS is the k-Nearest Neighbour (kNN) of a given point.  ...  The results indicate the superiority of MongoDB compared to Postgres in both aspects.  ... 
doi:10.5194/isprs-archives-xlii-2-w13-1531-2019 fatcat:2rz7hrnqqfdbzhfxyym4hra2ey

Benchmarking top-kkeyword and top-kdocument processing with T2K2and T2K2D2

Ciprian-Octavian Truică, Jérôme Darmont, Alexandru Boicea, Florin Rădulescu
2018 Future generations computer systems  
To illustrate our bench-marks' relevance and genericity, we successfully ran performance tests on the TF-IDF and Okapi BM25 weighting schemes, on one hand, and on different relational (Oracle, PostgreSQL  ...  ) and document-oriented (MongoDB) database implementations, on the other hand.  ...  Okapi BM25 (d) PostgreSQL OLAP: TF-IDF vs. Okapi BM25 Figure 13: OLAP top-k keywords TF-IDF vs. Okapi BM25 comparison (b) MongoDB MR Distributed OLAP: TF-IDF vs.  ... 
doi:10.1016/j.future.2018.02.037 fatcat:lnn7yxjvave3lfjzi474brwcvu

Cloud Databases for Internet-of-Things Data

Thi Anh Mai Phan, Jukka K. Nurminen, Mario Di Francesco
2014 2014 IEEE International Conference on Internet of Things(iThings), and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom)  
Specifically, we compare the performance of SQL (i.e., MySQL) and NoSQL databases (i.e., MongoDB, CouchDB, and Redis) in a cloud environment by using different types of IoT data, namely, sensor readings  ...  One of the major problems is how to handle an increasing amount of data, with a variety of data types and data sources, in order to meet application-specific performance requirements.  ...  Following the results of the scalar sensor data benchmark, we conducted a similar study with multimedia data on MySQL and MongoDB.  ... 
doi:10.1109/ithings.2014.26 dblp:conf/ithings/MaiNF14 fatcat:lvdplzdiprbx7gugbvcwopqf3q

The Cloud-Enabled Architecture of the Clinical Data Repository in Poland

Dariusz R. Augustyn, Łukasz Wyciślik, Mateusz Sojka
2021 Sustainability  
This study tries to fill that gap by proposing a flexible multi-variant cloud-enabled architecture of the system providing the services of a clinical-data repository.  ...  Although, the practical aspects of implementing clinical-documentation repositories are studied both in forums of European countries and also around the world; so far, no similar research was conducted  ...  The abovementioned solution allows configuring one master pod where SQL inserts, updates, and deletes may be performed, and many PostgreSQL replica pods where data are replicated from the master pod and  ... 
doi:10.3390/su132414050 fatcat:ipl3vlzrmzctbeh4dve5hxaioi

Portuguese Local E-government: A Study on the Most Adopted Databases in 2019

Filipe Sá, Pedro Martins, Maryam Abbasi
2021 Journal of E-Government Studies and Best Practices  
Based on several inquiries to all Portugal city halls, this study ranks the different available databases (commercial and non-commercial) in the year 2019.  ...  The selected database engine significantly impacts the performance of electronic services. This impact also affects governmental e-services.  ...  In this comparative study, the author concludes that IBM DB2 shows a better performance, despite consuming more memory. At the same time, MS Access uses less CPU.  ... 
doi:10.5171/2021.254977 fatcat:i5jfnsk7xzc7xgy2jjoa3fxweu

D3.1 1st Environmental node discovery, indexing and data acquisition

Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris, Christodoulos Keratidis
2018 Zenodo  
The present document is a deliverable of the hackAIR project, funded by the European Commission under the Horizon 2020 programme.  ...  This document reports on the discovery, acquisition, processing and indexing of environmental data coming from the following sources: text-based web official sources including lists of web services and  ...  It is a rather new database, given that its first release was on 2009 and thus certain functionalities are not as mature yet compared to PostgreSQL/ PostGIS.  ... 
doi:10.5281/zenodo.2250448 fatcat:5elzhyro6rfmhhgqtsjnewhpdq

The Impact of Distance on Performance and Scalability of Distributed Database Systems in Hybrid Clouds [article]

Yaser Mansouri, M. Ali Babar
2020 arXiv   pre-print
Hence, in this paper, we present a detailed evaluation of throughput, scalability, and VMs size vs.  ...  Second, MongoDB obtains the best throughput performance, followed by MySQL C luster, whilst Cassandra exposes the most fluctuation in through performance.  ...  None of these studies has investigated the impact of distance between cloud datacenters making up a hybrid cloud for the performance, scalability and VM packing (i.e., VMs number vs.  ... 
arXiv:2007.15826v1 fatcat:odbde2b6n5fgzobybgaiprcb2a

Examining database persistence of ISO/EN 13606 standardized electronic health record extracts: relational vs. NoSQL approaches

Ricardo Sánchez-de-Madariaga, Adolfo Muñoz, Raimundo Lozano-Rubí, Pablo Serrano-Balazote, Antonio L. Castro, Oscar Moreno, Mario Pascual
2017 BMC Medical Informatics and Decision Making  
complexity) of six different complexity growing queries, which have been performed on them.  ...  a standardized medical information system.  ...  No secondary analysis was performed on these data. Consent for publication Not applicable. Competing interests The authors declare that they have no competing interests.  ... 
doi:10.1186/s12911-017-0515-4 pmid:28821246 pmcid:PMC5563027 fatcat:mdkpzylb7ncyjirckqexoycw6m

A Scalable Data Access Layer to Manage Structured Heterogeneous Biomedical Data [article]

Giovanni Delussu, Luca Lianas, Francesca Frexia, Gianluigi Zanetti
2016 biorxiv/medrxiv   pre-print
The persistence is guarantee by a driver layer with a common driver interface. Presently, are implemented the interfaces with two NoSQL DBMS: MongoDB and Elasticsearch.  ...  The scalability of PyEHR has been evaluated experimentally through two types of tests, namely constant load and constant number of records, with queries of increasing complexity on a two synthetic datasets  ...  Acknowledgments One of the authors, Giovanni Delussu, has performed his activity in the framework of the International PhD in Innovation Science and Technology at the University of Cagliari, Italy.  ... 
doi:10.1101/067371 fatcat:blcznmvzejhutjc7p7mmugxmbe

A Scalable Data Access Layer to Manage Structured Heterogeneous Biomedical Data

Giovanni Delussu, Luca Lianas, Francesca Frexia, Gianluigi Zanetti, Houbing Song
2016 PLoS ONE  
Data persistence is guaranteed by a driver layer with a common driver interface. Interfaces for two NoSQL Database Management Systems are already implemented: MongoDB and Elasticsearch.  ...  ten million records each, containing very complex openEHR archetype structures, distributed on up to ten computing nodes.  ...  Acknowledgments One of the authors, Giovanni Delussu, has performed his activity in the framework of the International PhD in Innovation Science and Technology at the University of Cagliari, Italy.  ... 
doi:10.1371/journal.pone.0168004 pmid:27936191 pmcid:PMC5148592 fatcat:hrhujfgut5a4njhkddpxwexfga

Testing data-centric services using poor quality data: from relational to NoSQL document databases

Nuno Laranjeiro, Seyma Nur Soydemir, Naghmeh Ivaki, Jorge Bernardino
2017 Journal of the Brazilian Computer Society  
Many times deployed as web applications or web services, these business-critical systems typically perform large amounts of database operations; thus, they are dependent on the quality of the data to provide  ...  The approach has been designed to consider relational and NoSQL database nodes used by the system under test and is based on the injection of poor quality data on the database-application interface.  ...  By purely relying on the API to perform the aspect-oriented instrumentation, we can apply our approach to any data access driver.  ... 
doi:10.1186/s13173-017-0063-x fatcat:glmi33d3mnbeton2auyvuwxfwa

Database-as-a-Service for Big Data: An Overview

Manar Abourezq, Abdellah Idrissi
2016 International Journal of Advanced Computer Science and Applications  
This flow of data can't be managed using a classical approach and has led to the emergence of a new buzz word: Big Data.  ...  In this context, Cloud Computing plays a relevant role, as it offers interesting models to deal with Big Data storage, especially the model known as Database as a Service (DBaaS).  ...  MongoDB stores data as BSON documents, a lightweight, binary interchange format based on JSON.  ... 
doi:10.14569/ijacsa.2016.070124 fatcat:bls7opcqljdwrbvnsfvrlwkime

Performance evaluation of containers and virtual machines when running Cassandra workload concurrently

Sogand Shirinbab, Lars Lundberg, Emiliano Casalicchio
2020 Concurrency and Computation  
Our study shows that Docker has lower overhead compared with VMware; the performance on the container-based infrastructure was as good as on the nonvirtualized.  ...  As a baseline, we evaluated the performance of Cassandra when running on the nonvirtualized physical infrastructure.  ...  , and PostgreSQL. 27 In a similar study, the performance of Cassandra was compared with MongoDB and Riak. 28 The results from these studies show that Cassandra has the best performance; similar results  ... 
doi:10.1002/cpe.5693 fatcat:lrnuq72ra5h45pkt66dlembhwq

Design and Implementation of a Metadata Repository about UML Class Diagrams. A Software Tool Supporting the Automatic Feeding of the Repository

Paolino Di Felice, Gaetanino Paolone, Romolo Paesani, Martina Marinelli
2022 Electronics  
The parser has been implemented as a Java web interface, while the metadata repository has been implemented as a PostgreSQL database based on the JSONB data type.  ...  This study deals with the automated archival of metadata about the content of UML class diagrams (a particularly relevant category of models) into a pre-existing repository.  ...  The aim of the experiment was to compare the performance of the two systems on four custom-written queries over one year of GitHub archive data.  ... 
doi:10.3390/electronics11020201 fatcat:g3ubxhgqfzfeperh3w6h74hqey
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