Results 31 to 40 of about 107,361 (305)

Index Selection in Relational Databases [PDF]

open access: yes, 1993
Intending to develop a tool which aims to support the physical design of relational databases can not be done without considering the problem of index selection.
Blanken, Henk   +5 more
core   +1 more source

Towards Intelligent Databases [PDF]

open access: yes, 1993
This article is a presentation of the objectives and techniques of deductive databases. The deductive approach to databases aims at extending with intensional definitions other database paradigms that describe applications extensionaUy.
Bry, François   +2 more
core   +1 more source

Cloud based evaluation of databases for stock market data

open access: yesJournal of Cloud Computing: Advances, Systems and Applications, 2022
About fifty years ago, the world’s first fully automated system for trading securities was introduced by Instinet in the US. Since then the world of trading has been revolutionised by the introduction of electronic markets and automatic order execution ...
Baldeep Singh   +5 more
doaj   +1 more source

Multi-type relational clustering approaches : current state-of-the-art and new directions [PDF]

open access: yes, 2008
The proliferation of multi-type relational datasets in a number of important real-world applications and the limitations resulting from the transformation of such datasets to fit propositional data mining approaches have led to the emergence of the ...
Anand, Sarabjot Singh, Li, Tao
core   +1 more source

Improving The Performance of Big Data Databases

open access: yesKurdistan Journal of Applied Research, 2019
Real-time monitoring systems utilize two types of database, they are relational databases such as MySQL and non-relational databases such as MongoDB.
Nzar Abdulqadir Ali, Dashne Raouf Arif
doaj   +1 more source

Using Visualization to Support Data Mining of Large Existing Databases [PDF]

open access: yes, 1994
In this paper. we present ideas how visualization technology can be used to improve the difficult process of querying very large databases. With our VisDB system, we try to provide visual support not only for the query specification process. but also for
Kriegel, Hans-Peter   +3 more
core   +1 more source

Comparative analysis of the performance of selected database management system

open access: yesJournal of Computer Sciences Institute
Currently, in the era of large amounts of generated data, a significant challenge is fast data processing. The aim of the article is to conduct a comparative analysis of the performance of relational and non-relational databases using MS SQL Server ...
Piotr Marcin Tracz   +1 more
doaj   +1 more source

The use of fuzzy databases and knowledge bases for aiding engineering projects

open access: yesBudownictwo i Architektura, 2013
The IT tools that are widely used for aiding information and decision-making tasks in engineering activities include classic database systems, and in the case of problems with poorly-recognised structure – systems with knowledge bases.
Janusz Szelka, Zbigniew Wrona
doaj   +1 more source

Enhancement of database access performance by improving data consistency in a non-relational database system (NoSQL)

open access: yes, 2023
<p>This study aims to enhance data consistency in NoSQL databases, traditionally designed with BASE properties, as opposed to the strong consistency guaranteed by ACID principles in RDBMS. We introduce a comprehensive four-stage server-side model engineered explicitly for MongoDB.
Adam A. E. Alflahi   +2 more
openaire   +2 more sources

Field Report from Collaborative Research Center 1625: Heterogeneous Research Data Management Using Ontology Representations

open access: yesAdvanced Engineering Materials, EarlyView.
A unified research data management framework for heterogeneous materials data is presented. The system integrates multimodal datasets using ontologies and knowledge graphs, enabling interoperability and FAIR (findable, accessible, interoperable, reusable) data principles. By linking data across scales and workflows, it supports reproducible, Artifitial
Doaa Mohamed   +6 more
wiley   +1 more source

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