Results 31 to 40 of about 2,049,708 (294)
Genetic Algorithm for Relational Database Optimization in Reducing Query Execution Time
Scientific 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
On the succinctness of query rewriting over shallow ontologies [PDF]
, 2014 We investigate the succinctness problem for conjunctive query rewritings over OWL2QL ontologies of depth 1 and 2 by means of hypergraph programs computing Boolean functions. Both positive and negative results are obtained.
Podolskii, Vladimir +8 more
core +1 more source
An Overwiew of Evolution of Lexical Query Optimization Techniques
Труды Института системного программирования РАН, 2018 The presented overview is concerned with lexical query optimization and covers papers published in the last four decades. The paper consists of five sections.
N. A. Mendkovich, S. D. Kuznetsov
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Survey on AI Powered New Techniques for Query Processing and Optimization
Jisuanji 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
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Analysis of the possibilities of optimizing SQL queries
Journal 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
Replication Data for: eSLP optimization algorithm
, 2023 m-files implementing the eSLP optimization algorithm for the three simulations (3.1. - 3.3.) described in the associated paper. File README.txt contains analytical directions regarding requirements, how to verify the results and videos generated by the ...
Optimization, eSLP
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IEEE 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
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Is Semantic Query Optimization Worthwhile? [PDF]
, 2007 The term quote semantic query optimization quote (SQO) denotes a methodology whereby queries against databases are optimized using semantic information about the database objects being queried.
Genet, Bryan Howard
core
Ewing Sarcoma in Infants and Children Under 2 Years of Age: A French Retrospective Study
Pediatric Blood &Cancer, EarlyView.ABSTRACT Ewing sarcoma, the second most common primary bone cancer in children, requires intensive treatment that may lead to significant long‐term sequelae, particularly in infants. We retrospectively analyzed data from 1621 French patients treated between 1988 and 2015 within the EW88/93/97 or EE99 trials, focusing on 17 infants diagnosed before 24 ...
Elodie Verdier +18 more
wiley +1 more source
Re-examining the potential effectiveness of interactive query expansion [PDF]
, 2003 Much attention has been paid to the relative effectiveness of interactive query expansion versus automatic query expansion. Although interactive query expansion has the potential to be an effective means of improving a search, in this paper we show that,
Ruthven, I.
core +5 more sources