Results 11 to 20 of about 327,421 (217)

Query Optimization for Distributed Spatio-Temporal Sensing Data Processing [PDF]

open access: yesSensors, 2022
The unprecedented development of Internet of Things (IoT) technology produces humongous amounts of spatio-temporal sensing data with various geometry types.
Xin Li   +3 more
doaj   +2 more sources

Optimization of Analytical Queries in Heterogeneous Systems

open access: yesСовременные информационные технологии и IT-образование, 2021
According to International Data Corporation (IDC) reports, humankind produced more than 64 zettabytes of data in 2020. Global data creation and replication are expected to grow 23% annually between 2020 and 2025.
Petr Kurapov, Areg Melik-Adamyan
doaj   +1 more source

Evolutionary Algorithms for Query Op-timization in Distributed Database Sys-tems: A review

open access: yesAdvances in Distributed Computing and Artificial Intelligence Journal, 2018
Evolutionary Algorithms are bio-inspired optimization problem-solving approaches that exploit principles of biological evolution. , such as natural selection and genetic inheritance.
Zulfiqar ALI   +2 more
doaj   +1 more source

Analysis of the possibilities of optimizing SQL queries

open access: yesJournal of Computer Sciences Institute, 2021
Most of today's web applications run on relational database systems. Communication with them is possible through statements written in Structured Query Language (SQL).
Piotr Rymarski, Grzegorz Kozieł
doaj   +1 more source

On the Effectiveness of the Minimization Approach to the Query Optimization

open access: yesМоделирование и анализ информационных систем, 2016
A standard problem of DBMSs usage is a lack of efficiency and high cost of the access to the stored data. The acceptable level of system performance may be achieved by query optimization technics that determine the most efficient way to execute a given ...
N. Mendkovich
doaj   +1 more source

Optimization Method for Distributed Database Query Based on an Adaptive Double Entropy Genetic Algorithm

open access: yesIEEE Access, 2022
In a distributed database environment, multi-join query optimization is one of the key factors affecting database performance. Genetic algorithms have a good application in dealing with this type of problem. However, the traditional genetic algorithm has
Bingxu Zheng   +3 more
doaj   +1 more source

Survey on AI Powered New Techniques for Query Processing and Optimization

open access: yesJisuanji kexue yu tansuo, 2020
As one of the most challenging problems in data management, query processing and optimization are always widely concerned by researchers. However, it is very difficult for traditional techniques to meet the diverse requirements of modern database system ...
SONG Yumeng, GU Yu, LI Fangfang, YU Ge
doaj   +1 more source

Genetic Algorithm for Relational Database Optimization in Reducing Query Execution Time

open access: yesScientific Journal of Informatics, 2018
The relational database is defined as the database by connecting between tables. Each table has a collection of information. The information is processed in the database by using queries, such as data retrieval, data storage, and data conversion.
Kukuh Triyuliarno Hidayat   +2 more
doaj   +1 more source

LocationSpark: In-memory Distributed Spatial Query Processing and Optimization

open access: yesFrontiers in Big Data, 2020
Due to the ubiquity of spatial data applications and the large amounts of spatial data that these applications generate and process, there is a pressing need for scalable spatial query processing.
Mingjie Tang   +5 more
doaj   +1 more source

Pengujian Optimization dan Non-Optimization Query Metode Topsis untuk Menentukan Tingkat Kerusakan Sektor Bencana Alam

open access: yesJurnal ELTIKOM: Jurnal Teknik Elektro, Teknologi Informasi dan Komputer, 2022
Volume data yang sangat besar dari tim surveyor Perencanaan dan Pengendalian Penanganan Bencana(P3B) menciptakan masalah yang luas dan beragam sehingga dapat menghabiskan sumber daya sistem dan waktu pemrosesan yang terbilang lama.
Annisa Heparyanti Safitri   +3 more
doaj   +1 more source

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