Results 31 to 40 of about 24,795 (238)

Performance Comparison of NOSQL Database Cassandra and SQL Server for Large Databases

open access: yesJISR on Computing, 2016
The performance comparison of NoSQL database and a Relational Database Management Systems has been done to identify which database responds faster to specific types of requests and suitability of these databases for different scenarios.
Khalid Mahmood
doaj   +1 more source

Rephrasing rules for off-the-shelf SQL database servers [PDF]

open access: yes, 2006
We have reported previously (Gashi et al., 2004) results of a study with a sample of bug reports from four off-the-shelf SQL servers. We checked whether these bugs caused failures in more than one server.
Gashi, I., Popov, P. T.
core   +1 more source

An algebraic semantics for QVT-relations check-only transformations [PDF]

open access: yes, 2012
Fundamenta Informaticae, 114 1, Juan de Lara, Esther Guerra, An algebraic semantics for QVT-relations check-only transformations, 73-101, Copyright 2012, with permission from IOS PressQVT is the standard for model transformation defined by the OMG in ...
Guerra, Esther, Lara, Juan de
core   +2 more sources

In defense of extreme database-centric architecture

open access: yesMemoria Investigaciones en Ingeniería, 2023
A famous aphorism in computer science goes: "All problems in computer science can be solved by another level of indirection", often expanded by the humorous clause "except for the problem of too many levels of indirection".
Alfonso Vicente
doaj  

INDEMICS: An Interactive High-Performance Computing Framework for Data Intensive Epidemic Modeling [PDF]

open access: yes, 2014
We describe the design and prototype implementation of Indemics (_Interactive; Epi_demic; _Simulation;)—a modeling environment utilizing high-performance computing technologies for supporting complex epidemic simulations.
Bisset, Keith R.   +5 more
core   +2 more sources

High Performance Negative Database for Massive Data Management System of The Mingantu Spectral Radioheliograph

open access: yes, 2017
As a dedicated synthetic aperture radio interferometer, the MingantU SpEctral Radioheliograph (MUSER), initially known as the Chinese Spectral RadioHeliograph (CSRH), has entered the stage of routine observation. More than 23 million data records per day
Deng, Hui   +5 more
core   +1 more source

The Demographic Database — History of Technical and Methodological Achievements

open access: yesHistorical Life Course Studies, 2023
The Demographic Data Base (DDB) at the Centre for Demographic and Ageing Research (CEDAR) at Umeå University has since the 1970s been building longitudinal population databases and disseminating data for research.
Pär Vikström   +3 more
doaj   +1 more source

Matrix Profile-Based Approach to Industrial Sensor Data Analysis Inside RDBMS

open access: yesMathematics, 2021
Currently, big sensor data arise in a wide spectrum of Industry 4.0, Internet of Things, and Smart City applications. In such subject domains, sensors tend to have a high frequency and produce massive time series in a relatively short time interval.
Mikhail Zymbler, Elena Ivanova
doaj   +1 more source

Full-fledged semantic indexing and querying model designed for seamless integration in legacy RDBMS

open access: yesData & Knowledge Engineering, 2018
In the past decade, there has been an increasing need for semantic-aware data search and indexing in textual (structured and NoSQL) databases, as full-text search systems became available to non-experts where users have no knowledge about the data being ...
Joe Tekli   +7 more
semanticscholar   +1 more source

Development of 2MASS Catalog Server Kit

open access: yes, 2011
We develop a software kit called "2MASS Catalog Server Kit" to easily construct a high-performance database server for the 2MASS Point Source Catalog (includes 470,992,970 objects) and several all-sky catalogs.
Berriman G. B.   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy