Set-Oriented Mining for Association Rules in Relational Databases [PDF]
, 1995 Describe set-oriented algorithms for mining association rules. Such algorithms imply performing multiple joins and may appear to be inherently less efficient than special-purpose algorithms. We develop new algorithms that can be expressed as SQL queries,
Houtsma, M.A.W., Swami, A.
core +3 more sources
An Approach For Transforming of Relational Databases to OWL Ontology [PDF]
arXiv.org, 2015 Rapid growth of documents, web pages, and other types of text content is a huge challenge for the modern content management systems. One of the problems in the areas of information storage and retrieval is the lacking of semantic data.
M. Dadjoo, E. Kheirkhah
semanticscholar +1 more source
Comparing the performance of object and object relational database systems on objects of varying complexity [PDF]
, 2012 This is the first published work to compare the performance of object and object relational database systems based on the object's complexity. The findings of this research show that the performance of object and object relational database systems are ...
Bryant, CH, Kalantari, R
core +1 more source
Distributed Model-Based Diagnosis using Object-Relational Constraint Databases [PDF]
, 2006 This work presents a proposal to diagnose distributed systems utilizing model-based diagnosis using distributed databases. In order to improve aspects as versatility, persistence, easy composition and efficiency in the diagnosis process we use an ...
Gómez López, María Teresa +3 more
core +2 more sources
Comparative analysis of selected databases on the example of a proprietary web application
Journal of Computer Sciences Institute, 2023 Database performance is one of the most important factors affecting the usability of the system. Therefore, the authors of the article decided to examine 3 popular database systems: MySQL, MS SQL and PostgreSQL, analyzing their performance.
Łukasz Przychodzień +2 more
doaj +1 more source
Prioritized Repairing and Consistent Query Answering in Relational Databases [PDF]
, 2011 A consistent query answer in an inconsistent database is an answer obtained in every (minimal) repair. The repairs are obtained by resolving all conflicts in all possible ways.
A Fuxman +14 more
core +7 more sources
Considerations on NoSQL Databases [PDF]
Revista Română de Informatică și Automatică, 2018 This paper aims to present some considerations on non-relational databases (called NoSQL) that are increasingly being used by applications (especially the Web, such as Youtube, Amazon, Google and Facebook) that both have to store an impressive volume ...
Dragoş NICOLAU
doaj
Performance analysis of relational databases MySQL, PostgreSQL and Oracle using Doctrine libraries
Journal of Computer Sciences Institute, 2022 In modern applications, databases perform a very important function but the choice of a database system and additional libraries may affect the speed of the operations.
Marcin Choina +1 more
doaj +1 more source
Solving equations in the relational algebra [PDF]
, 2003 Enumerating all solutions of a relational algebra equation is a natural and powerful operation which, when added as a query language primitive to the nested relational algebra, yields a query language for nested relational databases, equivalent to the ...
Biskup, Joachim +3 more
core +1 more source
Comparison between Relational and NoSQL Databases [PDF]
Annals of Dunarea de Jos University. Fascicle I : Economics and Applied Informatics, 2020 Relational databases have not been the only solution for the applications that use them for years. New applications must deal with large volumes of complex, distributed data of different types, whose volume increases very rapidly.
Gianina Mihai
doaj