Zobrazeno 1 - 10
of 12 466
pro vyhledávání: '"Query optimization"'
Publikováno v:
Human-Centric Intelligent Systems, Vol 4, Iss 3, Pp 406-416 (2024)
Abstract Government collaboration tasks are integral for grassroots governance and essential for government administration. Large-scale government collaboration tasks often involve multiple departments working together to solve complex tasks that req
Externí odkaz:
https://doaj.org/article/18e8c5ef817b4f69890ba417f795cba2
Autor:
LIU Wenjie, LYU Jingchao
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 3, Pp 453-459 (2024)
With the continuous development of network technology, the scale of data has shown explosive growth, which leads gradually to replacing traditional single machine databases with distributed databases. Distributed databases solve large-scale data stor
Externí odkaz:
https://doaj.org/article/92c918954ed949dc851824610f875183
Publikováno v:
Intelligent and Converged Networks, Vol 5, Iss 2, Pp 167-179 (2024)
The integration of Mixed Reality (MR) technology into Autonomous Vehicles (AVs) has ushered in a new era for the automotive industry, offering heightened safety, convenience, and passenger comfort. However, the substantial and varied data generated b
Externí odkaz:
https://doaj.org/article/b9419a433016487fad7fe3a91cf2984f
Autor:
Zakrzewicz Maciej
Publikováno v:
Foundations of Computing and Decision Sciences, Vol 49, Iss 2, Pp 181-197 (2024)
Recently, numerous machine learning (ML) techniques have been applied to address database performance management problems, including cardinality estimation, cost modeling, optimal join order prediction, hint generation, etc. In this paper, we focus o
Externí odkaz:
https://doaj.org/article/da30f86d0af741af942fbe1931a38d1a
Publikováno v:
Journal of King Saud University: Computer and Information Sciences, Vol 36, Iss 6, Pp 102125- (2024)
Query execution time prediction is essential for database query optimization tasks, such as query scheduling, progress monitoring, and resource allocation. In the query execution time prediction tasks, the query plan is often used as the modeling obj
Externí odkaz:
https://doaj.org/article/5d184cffe5c6434bbdc4b963a9d6b152
Autor:
Hassan Nazeer Chaudhry, Matteo Rossi
Publikováno v:
IEEE Access, Vol 12, Pp 86790-86808 (2024)
Large-scale graph processing and Stream processing are two distinct computational paradigms for big data processing. Graph processing deals with computation on graphs of billions of vertices and edges. However, large-scale graph processing frameworks
Externí odkaz:
https://doaj.org/article/54424582028c42beb71afc90a1066493
Publikováno v:
Tehnički Glasnik, Vol 18, Iss 2, Pp 172-177 (2024)
In distributed and cloud database system, large amount of resources are used by complex queries that increase in payment overheads of cloud users. These resource needs can be minimised by evaluating common join operations and caching their results so
Externí odkaz:
https://doaj.org/article/6aba2aae3c694cf7b62ae4f43b5918b4
Publikováno v:
Mathematics, Vol 12, Iss 19, p 3102 (2024)
Over the last decades, various cost-based optimizers have been proposed to generate optimal plans for SQL queries. These optimizers are key to achieving good performance in database systems and can speed up query execution. Still, they may need enorm
Externí odkaz:
https://doaj.org/article/e86ef23f4fa645afadd0c3cf462da057
Autor:
Luo Qingjia
Publikováno v:
Open Geosciences, Vol 15, Iss 1, Pp 641-3 (2023)
In order to reduce the resource occupancy and retrieval efficiency of geological drilling databases, this study proposes a distributed horizontal expansion method for query optimization of geological drilling databases by constructing a comprehensive
Externí odkaz:
https://doaj.org/article/bc3b109768ad48c6b7ac93739e7316b6
Publikováno v:
Data, Vol 9, Iss 8, p 93 (2024)
Complex event processing (CEP) systems have gained significant importance in various domains, such as finance, logistics, and security, where the real-time analysis of event streams is crucial. However, as the volume and complexity of event data cont
Externí odkaz:
https://doaj.org/article/eb75dd6e98554518b4b8de638bb84fbd