Results 51 to 60 of about 2,508,257 (346)

EQUIVALENCE THEOREM FOR GENERALIZED DEPENDENCIES IN RELATIONAL DATABASES

open access: yesTạp chí Khoa học Đại học Đà Lạt, 2013
In this paper, we present some new results related to the differential dependencies in relational databases. The main contributions are the following: (1) To introduce a new concept of generalized differential dependencies; (2) To claim and proof the ...
Nguyễn Xuân Huy   +1 more
doaj   +1 more source

Artificial Intelligence Revolution in Transcriptomics: From Single Cells to Spatial Atlases

open access: yesAdvanced Science, EarlyView.
Single‐cell RNA sequencing and spatial transcriptomics have unveiled cellular heterogeneity and tissue organization with unprecedented resolution. Artificial intelligence (AI) now plays a pivotal role in interpreting these complex data. This review systematically surveys AI applications across the entire analytic workflow and offers practical guidance ...
Shixin Li   +7 more
wiley   +1 more source

Solutions for the Object-Relational Databases Design [PDF]

open access: yesDatabase Systems Journal, 2011
The need for databases occurs in the moment when takes place an informatics system development. Moreover, databases are an important step in this process.
Manole VELICANU, Iuliana BOTHA
doaj  

Creating Shared Value as an Antecedent of Value Co‐Creation: B2B Relationships in the Agri‐Food Sector

open access: yesAgribusiness, EarlyView.
ABSTRACT This study analyzes the effects of value co‐creation and creation of shared value in agricultural input marketing. This study used a sample of 178 agricultural companies in Costa Rica. The data were analyzed using partial least squares structural equation modeling (PLS‐SEM) with SMART PLS software. Our findings reveal the significant influence
Luis Ricardo Solís‐Rivera   +1 more
wiley   +1 more source

HIERARCHICAL ORGANIZATION OF INFORMATION, IN RELATIONAL DATABASES [PDF]

open access: yesAnnals of the University of Oradea: Economic Science, 2008
In this paper I will present different types of representation, of hierarchical information inside a relational database. I also will compare them to find the best organization for specific scenarios.
Demian Horia
doaj  

Forecasting Research Trends Using Knowledge Graphs and Large Language Models

open access: yesAdvanced Intelligent Systems, EarlyView.
When research trends can be anticipated, academia and industry are able to allocate limited resources more effectively and accelerate innovation. By constructing knowledge graphs using large language models, this study analyzes the time evolution of nuclear materials research concepts and suggests a data‐driven approach of forecasting research trends ...
Maciej Tomczak   +7 more
wiley   +1 more source

Semantic query in a relational database using a local ontology construction (Retracted)

open access: yesSouth African Journal of Science, 2012
Semantic Web refers to a Web of linked data in which data can be shared and reused, allowing more uses than the traditional 'Web of documents'. However, most of the information on the Web is stored in relational databases and such databases cannot be ...
Saeed Sedighi, Reza Javidan
doaj   +4 more sources

The Advantage of NoSQL Databases over SQL Databases [PDF]

open access: yesDatabase Systems Journal
This article highlights the advantages of NoSQL databases compared to traditional SQL (relational) databases. It argues that the database concept is often implicitly tied to relational models, overlooking non-relational databases’ potential in Big Data ...
Mario-Tudor CHIRIAC
doaj  

The impact of relational and non-relational databases on application performance

open access: yesJournal of Computer Sciences Institute
The purpose of this study was to assess the performance of two database systems, PostgreSQL (relational) and MongoDB (non-relational), in handling data and their impact on application performance.
Jakub Olszak   +1 more
doaj   +1 more source

O-ODM Framework for Object-Relational Databases [PDF]

open access: yesInternational Journal of Interactive Multimedia and Artificial Intelligence, 2012
Object-Relational Databases introduce new features which allow manipulating objects in databases. At present, many DBMS offer resources to manipulate objects in database, but most application developers just map class to relations tables, failing to ...
Carlos Alberto Rombaldo Jr   +2 more
doaj  

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